20485764

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14591}}^1$

素因数の和:14617

約数の個数: 48

約数和(自身を含む): 57200640

約数和(自身を除く): 36714876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14591, 29182, 43773, 58364, 87546, 131319, 175092, 189683, 262638, 379366, 393957, 525276, 569049, 758732, 787914, 1138098, 1575828, 1707147, 2276196, 3414294, 5121441, 6828588, 10242882, 20485764]

約数ペア:

[(1, 20485764), (2, 10242882), (3, 6828588), (4, 5121441), (6, 3414294), (9, 2276196), (12, 1707147), (13, 1575828), (18, 1138098), (26, 787914), (27, 758732), (36, 569049), (39, 525276), (52, 393957), (54, 379366), (78, 262638), (108, 189683), (117, 175092), (156, 131319), (234, 87546), (351, 58364), (468, 43773), (702, 29182), (1404, 14591)]