20129406032

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{237689}}^1$

素因数の和:237843

約数の個数: 40

約数和(自身を含む): 40084041600

約数和(自身を除く): 19954635568

約数列:

[1, 2, 4, 8, 16, 67, 79, 134, 158, 268, 316, 536, 632, 1072, 1264, 5293, 10586, 21172, 42344, 84688, 237689, 475378, 950756, 1901512, 3803024, 15925163, 18777431, 31850326, 37554862, 63700652, 75109724, 127401304, 150219448, 254802608, 300438896, 1258087877, 2516175754, 5032351508, 10064703016, 20129406032]

約数ペア:

[(1, 20129406032), (2, 10064703016), (4, 5032351508), (8, 2516175754), (16, 1258087877), (67, 300438896), (79, 254802608), (134, 150219448), (158, 127401304), (268, 75109724), (316, 63700652), (536, 37554862), (632, 31850326), (1072, 18777431), (1264, 15925163), (5293, 3803024), (10586, 1901512), (21172, 950756), (42344, 475378), (84688, 237689)]