20203928732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{58453}}^1$

素因数の和:58527

約数の個数: 72

約数和(自身を含む): 42207529056

約数和(自身を除く): 22003600324

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 289, 299, 391, 442, 578, 598, 782, 884, 1156, 1196, 1564, 3757, 5083, 6647, 7514, 10166, 13294, 15028, 20332, 26588, 58453, 86411, 116906, 172822, 233812, 345644, 759889, 993701, 1344419, 1519778, 1987402, 2688838, 3039556, 3974804, 5377676, 12918113, 16892917, 17477447, 22855123, 25836226, 33785834, 34954894, 45710246, 51672452, 67571668, 69909788, 91420492, 219607921, 297116599, 388537091, 439215842, 594233198, 777074182, 878431684, 1188466396, 1554148364, 5050982183, 10101964366, 20203928732]

約数ペア:

[(1, 20203928732), (2, 10101964366), (4, 5050982183), (13, 1554148364), (17, 1188466396), (23, 878431684), (26, 777074182), (34, 594233198), (46, 439215842), (52, 388537091), (68, 297116599), (92, 219607921), (221, 91420492), (289, 69909788), (299, 67571668), (391, 51672452), (442, 45710246), (578, 34954894), (598, 33785834), (782, 25836226), (884, 22855123), (1156, 17477447), (1196, 16892917), (1564, 12918113), (3757, 5377676), (5083, 3974804), (6647, 3039556), (7514, 2688838), (10166, 1987402), (13294, 1519778), (15028, 1344419), (20332, 993701), (26588, 759889), (58453, 345644), (86411, 233812), (116906, 172822)]