20139274

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2371}}^1$

素因数の和:2541

約数の個数: 16

約数和(自身を含む): 31424256

約数和(自身を除く): 11284982

約数列:

[1, 2, 31, 62, 137, 274, 2371, 4247, 4742, 8494, 73501, 147002, 324827, 649654, 10069637, 20139274]

約数ペア:

[(1, 20139274), (2, 10069637), (31, 649654), (62, 324827), (137, 147002), (274, 73501), (2371, 8494), (4247, 4742)]