20227680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1277}}^1$

素因数の和:1309

約数の個数: 144

約数和(自身を含む): 75361104

約数和(自身を除く): 55133424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1277, 1320, 1440, 1584, 1760, 1980, 2554, 2640, 3168, 3831, 3960, 5108, 5280, 6385, 7662, 7920, 10216, 11493, 12770, 14047, 15324, 15840, 19155, 20432, 22986, 25540, 28094, 30648, 38310, 40864, 42141, 45972, 51080, 56188, 57465, 61296, 70235, 76620, 84282, 91944, 102160, 112376, 114930, 122592, 126423, 140470, 153240, 168564, 183888, 204320, 210705, 224752, 229860, 252846, 280940, 306480, 337128, 367776, 421410, 449504, 459720, 505692, 561880, 612960, 632115, 674256, 842820, 919440, 1011384, 1123760, 1264230, 1348512, 1685640, 1838880, 2022768, 2247520, 2528460, 3371280, 4045536, 5056920, 6742560, 10113840, 20227680]

約数ペア:

[(1, 20227680), (2, 10113840), (3, 6742560), (4, 5056920), (5, 4045536), (6, 3371280), (8, 2528460), (9, 2247520), (10, 2022768), (11, 1838880), (12, 1685640), (15, 1348512), (16, 1264230), (18, 1123760), (20, 1011384), (22, 919440), (24, 842820), (30, 674256), (32, 632115), (33, 612960), (36, 561880), (40, 505692), (44, 459720), (45, 449504), (48, 421410), (55, 367776), (60, 337128), (66, 306480), (72, 280940), (80, 252846), (88, 229860), (90, 224752), (96, 210705), (99, 204320), (110, 183888), (120, 168564), (132, 153240), (144, 140470), (160, 126423), (165, 122592), (176, 114930), (180, 112376), (198, 102160), (220, 91944), (240, 84282), (264, 76620), (288, 70235), (330, 61296), (352, 57465), (360, 56188), (396, 51080), (440, 45972), (480, 42141), (495, 40864), (528, 38310), (660, 30648), (720, 28094), (792, 25540), (880, 22986), (990, 20432), (1056, 19155), (1277, 15840), (1320, 15324), (1440, 14047), (1584, 12770), (1760, 11493), (1980, 10216), (2554, 7920), (2640, 7662), (3168, 6385), (3831, 5280), (3960, 5108)]