20783122557

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{25033}}^1$

素因数の和:25349

約数の個数: 32

約数和(自身を含む): 29877378048

約数和(自身を除く): 9094255491

約数列:

[1, 3, 17, 51, 73, 219, 223, 669, 1241, 3723, 3791, 11373, 16279, 25033, 48837, 75099, 276743, 425561, 830229, 1276683, 1827409, 5482227, 5582359, 16747077, 31065953, 93197859, 94900103, 284700309, 407512207, 1222536621, 6927707519, 20783122557]

約数ペア:

[(1, 20783122557), (3, 6927707519), (17, 1222536621), (51, 407512207), (73, 284700309), (219, 94900103), (223, 93197859), (669, 31065953), (1241, 16747077), (3723, 5582359), (3791, 5482227), (11373, 1827409), (16279, 1276683), (25033, 830229), (48837, 425561), (75099, 276743)]