20122172912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40568897}}^1$

素因数の和:40568936

約数の個数: 20

約数和(自身を含む): 40244346816

約数和(自身を除く): 20122173904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40568897, 81137794, 162275588, 324551176, 649102352, 1257635807, 2515271614, 5030543228, 10061086456, 20122172912]

約数ペア:

[(1, 20122172912), (2, 10061086456), (4, 5030543228), (8, 2515271614), (16, 1257635807), (31, 649102352), (62, 324551176), (124, 162275588), (248, 81137794), (496, 40568897)]