20218088880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{41849}}^1$

素因数の和:41940

約数の個数: 240

約数和(自身を含む): 75287815200

約数和(自身を除く): 55069726320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 61, 66, 72, 80, 88, 90, 99, 110, 120, 122, 132, 144, 165, 176, 180, 183, 198, 220, 240, 244, 264, 305, 330, 360, 366, 396, 440, 488, 495, 528, 549, 610, 660, 671, 720, 732, 792, 880, 915, 976, 990, 1098, 1220, 1320, 1342, 1464, 1584, 1830, 1980, 2013, 2196, 2440, 2640, 2684, 2745, 2928, 3355, 3660, 3960, 4026, 4392, 4880, 5368, 5490, 6039, 6710, 7320, 7920, 8052, 8784, 10065, 10736, 10980, 12078, 13420, 14640, 16104, 20130, 21960, 24156, 26840, 30195, 32208, 40260, 41849, 43920, 48312, 53680, 60390, 80520, 83698, 96624, 120780, 125547, 161040, 167396, 209245, 241560, 251094, 334792, 376641, 418490, 460339, 483120, 502188, 627735, 669584, 753282, 836980, 920678, 1004376, 1255470, 1381017, 1506564, 1673960, 1841356, 1883205, 2008752, 2301695, 2510940, 2552789, 2762034, 3013128, 3347920, 3682712, 3766410, 4143051, 4603390, 5021880, 5105578, 5524068, 6026256, 6905085, 7365424, 7532820, 7658367, 8286102, 9206780, 10043760, 10211156, 11048136, 12763945, 13810170, 15065640, 15316734, 16572204, 18413560, 20422312, 20715255, 22096272, 22975101, 25527890, 27620340, 28080679, 30131280, 30633468, 33144408, 36827120, 38291835, 40844624, 41430510, 45950202, 51055780, 55240680, 56161358, 61266936, 66288816, 76583670, 82861020, 84242037, 91900404, 102111560, 110481360, 112322716, 114875505, 122533872, 140403395, 153167340, 165722040, 168484074, 183800808, 204223120, 224645432, 229751010, 252726111, 280806790, 306334680, 331444080, 336968148, 367601616, 421210185, 449290864, 459502020, 505452222, 561613580, 612669360, 673936296, 842420370, 919004040, 1010904444, 1123227160, 1263630555, 1347872592, 1684840740, 1838008080, 2021808888, 2246454320, 2527261110, 3369681480, 4043617776, 5054522220, 6739362960, 10109044440, 20218088880]

約数ペア:

[(1, 20218088880), (2, 10109044440), (3, 6739362960), (4, 5054522220), (5, 4043617776), (6, 3369681480), (8, 2527261110), (9, 2246454320), (10, 2021808888), (11, 1838008080), (12, 1684840740), (15, 1347872592), (16, 1263630555), (18, 1123227160), (20, 1010904444), (22, 919004040), (24, 842420370), (30, 673936296), (33, 612669360), (36, 561613580), (40, 505452222), (44, 459502020), (45, 449290864), (48, 421210185), (55, 367601616), (60, 336968148), (61, 331444080), (66, 306334680), (72, 280806790), (80, 252726111), (88, 229751010), (90, 224645432), (99, 204223120), (110, 183800808), (120, 168484074), (122, 165722040), (132, 153167340), (144, 140403395), (165, 122533872), (176, 114875505), (180, 112322716), (183, 110481360), (198, 102111560), (220, 91900404), (240, 84242037), (244, 82861020), (264, 76583670), (305, 66288816), (330, 61266936), (360, 56161358), (366, 55240680), (396, 51055780), (440, 45950202), (488, 41430510), (495, 40844624), (528, 38291835), (549, 36827120), (610, 33144408), (660, 30633468), (671, 30131280), (720, 28080679), (732, 27620340), (792, 25527890), (880, 22975101), (915, 22096272), (976, 20715255), (990, 20422312), (1098, 18413560), (1220, 16572204), (1320, 15316734), (1342, 15065640), (1464, 13810170), (1584, 12763945), (1830, 11048136), (1980, 10211156), (2013, 10043760), (2196, 9206780), (2440, 8286102), (2640, 7658367), (2684, 7532820), (2745, 7365424), (2928, 6905085), (3355, 6026256), (3660, 5524068), (3960, 5105578), (4026, 5021880), (4392, 4603390), (4880, 4143051), (5368, 3766410), (5490, 3682712), (6039, 3347920), (6710, 3013128), (7320, 2762034), (7920, 2552789), (8052, 2510940), (8784, 2301695), (10065, 2008752), (10736, 1883205), (10980, 1841356), (12078, 1673960), (13420, 1506564), (14640, 1381017), (16104, 1255470), (20130, 1004376), (21960, 920678), (24156, 836980), (26840, 753282), (30195, 669584), (32208, 627735), (40260, 502188), (41849, 483120), (43920, 460339), (48312, 418490), (53680, 376641), (60390, 334792), (80520, 251094), (83698, 241560), (96624, 209245), (120780, 167396), (125547, 161040)]