20138593120

素因数分解:

$2^5\times 5^1\times {\mathrm{125866207}}^1$

素因数の和:125866222

約数の個数: 24

約数和(自身を含む): 47577426624

約数和(自身を除く): 27438833504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125866207, 251732414, 503464828, 629331035, 1006929656, 1258662070, 2013859312, 2517324140, 4027718624, 5034648280, 10069296560, 20138593120]

約数ペア:

[(1, 20138593120), (2, 10069296560), (4, 5034648280), (5, 4027718624), (8, 2517324140), (10, 2013859312), (16, 1258662070), (20, 1006929656), (32, 629331035), (40, 503464828), (80, 251732414), (160, 125866207)]