20122013008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73977989}}^1$

素因数の和:73978014

約数の個数: 20

約数和(自身を含む): 41279718420

約数和(自身を除く): 21157705412

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73977989, 147955978, 295911956, 591823912, 1183647824, 1257625813, 2515251626, 5030503252, 10061006504, 20122013008]

約数ペア:

[(1, 20122013008), (2, 10061006504), (4, 5030503252), (8, 2515251626), (16, 1257625813), (17, 1183647824), (34, 591823912), (68, 295911956), (136, 147955978), (272, 73977989)]