20089080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 77760000

約数和(自身を除く): 57670920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 89, 90, 95, 99, 108, 110, 114, 120, 132, 135, 152, 165, 171, 178, 180, 190, 198, 209, 216, 220, 228, 264, 267, 270, 285, 297, 330, 342, 356, 360, 380, 396, 418, 440, 445, 456, 495, 513, 534, 540, 570, 594, 627, 660, 684, 712, 760, 792, 801, 836, 855, 890, 979, 990, 1026, 1045, 1068, 1080, 1140, 1188, 1254, 1320, 1335, 1368, 1485, 1602, 1672, 1691, 1710, 1780, 1881, 1958, 1980, 2052, 2090, 2136, 2280, 2376, 2403, 2508, 2565, 2670, 2937, 2970, 3135, 3204, 3382, 3420, 3560, 3762, 3916, 3960, 4005, 4104, 4180, 4806, 4895, 5016, 5073, 5130, 5340, 5643, 5874, 5940, 6270, 6408, 6764, 6840, 7524, 7832, 8010, 8360, 8455, 8811, 9405, 9612, 9790, 10146, 10260, 10680, 11286, 11748, 11880, 12015, 12540, 13528, 14685, 15048, 15219, 16020, 16910, 17622, 18601, 18810, 19224, 19580, 20292, 20520, 22572, 23496, 24030, 25080, 25365, 26433, 28215, 29370, 30438, 32040, 33820, 35244, 37202, 37620, 39160, 40584, 44055, 45144, 45657, 48060, 50730, 52866, 55803, 56430, 58740, 60876, 67640, 70488, 74404, 75240, 76095, 88110, 91314, 93005, 96120, 101460, 105732, 111606, 112860, 117480, 121752, 132165, 148808, 152190, 167409, 176220, 182628, 186010, 202920, 211464, 223212, 225720, 228285, 264330, 279015, 304380, 334818, 352440, 365256, 372020, 446424, 456570, 502227, 528660, 558030, 608760, 669636, 744040, 837045, 913140, 1004454, 1057320, 1116060, 1339272, 1674090, 1826280, 2008908, 2232120, 2511135, 3348180, 4017816, 5022270, 6696360, 10044540, 20089080]

約数ペア:

[(1, 20089080), (2, 10044540), (3, 6696360), (4, 5022270), (5, 4017816), (6, 3348180), (8, 2511135), (9, 2232120), (10, 2008908), (11, 1826280), (12, 1674090), (15, 1339272), (18, 1116060), (19, 1057320), (20, 1004454), (22, 913140), (24, 837045), (27, 744040), (30, 669636), (33, 608760), (36, 558030), (38, 528660), (40, 502227), (44, 456570), (45, 446424), (54, 372020), (55, 365256), (57, 352440), (60, 334818), (66, 304380), (72, 279015), (76, 264330), (88, 228285), (89, 225720), (90, 223212), (95, 211464), (99, 202920), (108, 186010), (110, 182628), (114, 176220), (120, 167409), (132, 152190), (135, 148808), (152, 132165), (165, 121752), (171, 117480), (178, 112860), (180, 111606), (190, 105732), (198, 101460), (209, 96120), (216, 93005), (220, 91314), (228, 88110), (264, 76095), (267, 75240), (270, 74404), (285, 70488), (297, 67640), (330, 60876), (342, 58740), (356, 56430), (360, 55803), (380, 52866), (396, 50730), (418, 48060), (440, 45657), (445, 45144), (456, 44055), (495, 40584), (513, 39160), (534, 37620), (540, 37202), (570, 35244), (594, 33820), (627, 32040), (660, 30438), (684, 29370), (712, 28215), (760, 26433), (792, 25365), (801, 25080), (836, 24030), (855, 23496), (890, 22572), (979, 20520), (990, 20292), (1026, 19580), (1045, 19224), (1068, 18810), (1080, 18601), (1140, 17622), (1188, 16910), (1254, 16020), (1320, 15219), (1335, 15048), (1368, 14685), (1485, 13528), (1602, 12540), (1672, 12015), (1691, 11880), (1710, 11748), (1780, 11286), (1881, 10680), (1958, 10260), (1980, 10146), (2052, 9790), (2090, 9612), (2136, 9405), (2280, 8811), (2376, 8455), (2403, 8360), (2508, 8010), (2565, 7832), (2670, 7524), (2937, 6840), (2970, 6764), (3135, 6408), (3204, 6270), (3382, 5940), (3420, 5874), (3560, 5643), (3762, 5340), (3916, 5130), (3960, 5073), (4005, 5016), (4104, 4895), (4180, 4806)]