20910032

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 51737760

約数和(自身を除く): 30827728

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 37, 38, 44, 52, 74, 76, 88, 104, 143, 148, 152, 169, 176, 208, 209, 247, 286, 296, 304, 338, 407, 418, 481, 494, 572, 592, 676, 703, 814, 836, 962, 988, 1144, 1352, 1406, 1628, 1672, 1859, 1924, 1976, 2288, 2704, 2717, 2812, 3211, 3256, 3344, 3718, 3848, 3952, 5291, 5434, 5624, 6253, 6422, 6512, 7436, 7696, 7733, 9139, 10582, 10868, 11248, 12506, 12844, 14872, 15466, 18278, 21164, 21736, 25012, 25688, 29744, 30932, 35321, 36556, 42328, 43472, 50024, 51376, 61864, 68783, 70642, 73112, 84656, 100048, 100529, 118807, 123728, 137566, 141284, 146224, 201058, 237614, 275132, 282568, 402116, 475228, 550264, 565136, 804232, 950456, 1100528, 1306877, 1608464, 1900912, 2613754, 5227508, 10455016, 20910032]

約数ペア:

[(1, 20910032), (2, 10455016), (4, 5227508), (8, 2613754), (11, 1900912), (13, 1608464), (16, 1306877), (19, 1100528), (22, 950456), (26, 804232), (37, 565136), (38, 550264), (44, 475228), (52, 402116), (74, 282568), (76, 275132), (88, 237614), (104, 201058), (143, 146224), (148, 141284), (152, 137566), (169, 123728), (176, 118807), (208, 100529), (209, 100048), (247, 84656), (286, 73112), (296, 70642), (304, 68783), (338, 61864), (407, 51376), (418, 50024), (481, 43472), (494, 42328), (572, 36556), (592, 35321), (676, 30932), (703, 29744), (814, 25688), (836, 25012), (962, 21736), (988, 21164), (1144, 18278), (1352, 15466), (1406, 14872), (1628, 12844), (1672, 12506), (1859, 11248), (1924, 10868), (1976, 10582), (2288, 9139), (2704, 7733), (2717, 7696), (2812, 7436), (3211, 6512), (3256, 6422), (3344, 6253), (3718, 5624), (3848, 5434), (3952, 5291)]