20176263460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12769787}}^1$

素因数の和:12769875

約数の個数: 24

約数和(自身を含む): 42906487680

約数和(自身を除く): 22730224220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12769787, 25539574, 51079148, 63848935, 127697870, 255395740, 1008813173, 2017626346, 4035252692, 5044065865, 10088131730, 20176263460]

約数ペア:

[(1, 20176263460), (2, 10088131730), (4, 5044065865), (5, 4035252692), (10, 2017626346), (20, 1008813173), (79, 255395740), (158, 127697870), (316, 63848935), (395, 51079148), (790, 25539574), (1580, 12769787)]