20214860912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{278227}}^1$

素因数の和:278493

約数の個数: 40

約数和(自身を含む): 41400326400

約数和(自身を除く): 21185465488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 239, 304, 478, 956, 1912, 3824, 4541, 9082, 18164, 36328, 72656, 278227, 556454, 1112908, 2225816, 4451632, 5286313, 10572626, 21145252, 42290504, 66496253, 84581008, 132992506, 265985012, 531970024, 1063940048, 1263428807, 2526857614, 5053715228, 10107430456, 20214860912]

約数ペア:

[(1, 20214860912), (2, 10107430456), (4, 5053715228), (8, 2526857614), (16, 1263428807), (19, 1063940048), (38, 531970024), (76, 265985012), (152, 132992506), (239, 84581008), (304, 66496253), (478, 42290504), (956, 21145252), (1912, 10572626), (3824, 5286313), (4541, 4451632), (9082, 2225816), (18164, 1112908), (36328, 556454), (72656, 278227)]