20498601915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2179543}}^1$

素因数の和:2179584

約数の個数: 48

約数和(自身を含む): 40801063680

約数和(自身を除く): 20302461765

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 9405, 2179543, 6538629, 10897715, 19615887, 23974973, 32693145, 41411317, 71924919, 98079435, 119874865, 124233951, 207056585, 215774757, 359624595, 372701853, 455524487, 621169755, 1078873785, 1366573461, 1863509265, 2277622435, 4099720383, 6832867305, 20498601915]

約数ペア:

[(1, 20498601915), (3, 6832867305), (5, 4099720383), (9, 2277622435), (11, 1863509265), (15, 1366573461), (19, 1078873785), (33, 621169755), (45, 455524487), (55, 372701853), (57, 359624595), (95, 215774757), (99, 207056585), (165, 124233951), (171, 119874865), (209, 98079435), (285, 71924919), (495, 41411317), (627, 32693145), (855, 23974973), (1045, 19615887), (1881, 10897715), (3135, 6538629), (9405, 2179543)]