20454969664

素因数分解:

$2^6\times {\mathrm{919}}^1\times {\mathrm{347779}}^1$

素因数の和:348710

約数の個数: 28

約数和(自身を含む): 40634615200

約数和(自身を除く): 20179645536

約数列:

[1, 2, 4, 8, 16, 32, 64, 919, 1838, 3676, 7352, 14704, 29408, 58816, 347779, 695558, 1391116, 2782232, 5564464, 11128928, 22257856, 319608901, 639217802, 1278435604, 2556871208, 5113742416, 10227484832, 20454969664]

約数ペア:

[(1, 20454969664), (2, 10227484832), (4, 5113742416), (8, 2556871208), (16, 1278435604), (32, 639217802), (64, 319608901), (919, 22257856), (1838, 11128928), (3676, 5564464), (7352, 2782232), (14704, 1391116), (29408, 695558), (58816, 347779)]