20167557140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9251173}}^1$

素因数の和:9251291

約数の個数: 24

約数和(自身を含む): 42740423880

約数和(自身を除く): 22572866740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9251173, 18502346, 37004692, 46255865, 92511730, 185023460, 1008377857, 2016755714, 4033511428, 5041889285, 10083778570, 20167557140]

約数ペア:

[(1, 20167557140), (2, 10083778570), (4, 5041889285), (5, 4033511428), (10, 2016755714), (20, 1008377857), (109, 185023460), (218, 92511730), (436, 46255865), (545, 37004692), (1090, 18502346), (2180, 9251173)]