20218001859

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{632267}}^1$

素因数の和:632320

約数の個数: 48

約数和(自身を含む): 35508170880

約数和(自身を除く): 15290169021

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 561, 627, 969, 1683, 1881, 2907, 3553, 10659, 31977, 632267, 1896801, 5690403, 6954937, 10748539, 12013073, 20864811, 32245617, 36039219, 62594433, 96736851, 108117657, 118233929, 132143803, 204222241, 354701787, 396431409, 612666723, 1064105361, 1189294227, 1838000169, 2246444651, 6739333953, 20218001859]

約数ペア:

[(1, 20218001859), (3, 6739333953), (9, 2246444651), (11, 1838000169), (17, 1189294227), (19, 1064105361), (33, 612666723), (51, 396431409), (57, 354701787), (99, 204222241), (153, 132143803), (171, 118233929), (187, 108117657), (209, 96736851), (323, 62594433), (561, 36039219), (627, 32245617), (969, 20864811), (1683, 12013073), (1881, 10748539), (2907, 6954937), (3553, 5690403), (10659, 1896801), (31977, 632267)]