20804037190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{209233}}^1$

素因数の和:209464

約数の個数: 32

約数和(自身を含む): 38294843616

約数和(自身を除く): 17490806426

約数列:

[1, 2, 5, 10, 61, 122, 163, 305, 326, 610, 815, 1630, 9943, 19886, 49715, 99430, 209233, 418466, 1046165, 2092330, 12763213, 25526426, 34104979, 63816065, 68209958, 127632130, 170524895, 341049790, 2080403719, 4160807438, 10402018595, 20804037190]

約数ペア:

[(1, 20804037190), (2, 10402018595), (5, 4160807438), (10, 2080403719), (61, 341049790), (122, 170524895), (163, 127632130), (305, 68209958), (326, 63816065), (610, 34104979), (815, 25526426), (1630, 12763213), (9943, 2092330), (19886, 1046165), (49715, 418466), (99430, 209233)]