20867607620

素因数分解:

$2^2\times 5^1\times {\mathrm{3761}}^1\times {\mathrm{277421}}^1$

素因数の和:281191

約数の個数: 24

約数和(自身を含む): 43833785688

約数和(自身を除く): 22966178068

約数列:

[1, 2, 4, 5, 10, 20, 3761, 7522, 15044, 18805, 37610, 75220, 277421, 554842, 1109684, 1387105, 2774210, 5548420, 1043380381, 2086760762, 4173521524, 5216901905, 10433803810, 20867607620]

約数ペア:

[(1, 20867607620), (2, 10433803810), (4, 5216901905), (5, 4173521524), (10, 2086760762), (20, 1043380381), (3761, 5548420), (7522, 2774210), (15044, 1387105), (18805, 1109684), (37610, 554842), (75220, 277421)]