20175147928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1\times {\mathrm{683}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 40954636800

約数和(自身を除く): 20779488872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 659, 683, 862, 1318, 1366, 1724, 2636, 2732, 3448, 5272, 5464, 5603, 8567, 8879, 11206, 17134, 17758, 22412, 34268, 35516, 44824, 68536, 71032, 284029, 294373, 450097, 568058, 588746, 900194, 1136116, 1177492, 1800388, 2272232, 2354984, 3600776, 3692377, 3826849, 5851261, 7384754, 7653698, 11702522, 14769508, 15307396, 23405044, 29539016, 30614792, 46810088, 193991807, 387983614, 775967228, 1551934456, 2521893491, 5043786982, 10087573964, 20175147928]

約数ペア:

[(1, 20175147928), (2, 10087573964), (4, 5043786982), (8, 2521893491), (13, 1551934456), (26, 775967228), (52, 387983614), (104, 193991807), (431, 46810088), (659, 30614792), (683, 29539016), (862, 23405044), (1318, 15307396), (1366, 14769508), (1724, 11702522), (2636, 7653698), (2732, 7384754), (3448, 5851261), (5272, 3826849), (5464, 3692377), (5603, 3600776), (8567, 2354984), (8879, 2272232), (11206, 1800388), (17134, 1177492), (17758, 1136116), (22412, 900194), (34268, 588746), (35516, 568058), (44824, 450097), (68536, 294373), (71032, 284029)]