20005937008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73551239}}^1$

素因数の和:73551264

約数の個数: 20

約数和(自身を含む): 41041591920

約数和(自身を除く): 21035654912

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73551239, 147102478, 294204956, 588409912, 1176819824, 1250371063, 2500742126, 5001484252, 10002968504, 20005937008]

約数ペア:

[(1, 20005937008), (2, 10002968504), (4, 5001484252), (8, 2500742126), (16, 1250371063), (17, 1176819824), (34, 588409912), (68, 294204956), (136, 147102478), (272, 73551239)]