20853826480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8408801}}^1$

素因数の和:8408845

約数の個数: 40

約数和(自身を含む): 50049189504

約数和(自身を除く): 29195363024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8408801, 16817602, 33635204, 42044005, 67270408, 84088010, 134540816, 168176020, 260672831, 336352040, 521345662, 672704080, 1042691324, 1303364155, 2085382648, 2606728310, 4170765296, 5213456620, 10426913240, 20853826480]

約数ペア:

[(1, 20853826480), (2, 10426913240), (4, 5213456620), (5, 4170765296), (8, 2606728310), (10, 2085382648), (16, 1303364155), (20, 1042691324), (31, 672704080), (40, 521345662), (62, 336352040), (80, 260672831), (124, 168176020), (155, 134540816), (248, 84088010), (310, 67270408), (496, 42044005), (620, 33635204), (1240, 16817602), (2480, 8408801)]