20159205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 16612635

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 121, 145, 165, 319, 363, 383, 435, 605, 957, 1149, 1595, 1815, 1915, 3509, 4213, 4785, 5745, 10527, 11107, 12639, 17545, 21065, 33321, 46343, 52635, 55535, 63195, 122177, 139029, 166605, 231715, 366531, 610885, 695145, 1343947, 1832655, 4031841, 6719735, 20159205]

約数ペア:

[(1, 20159205), (3, 6719735), (5, 4031841), (11, 1832655), (15, 1343947), (29, 695145), (33, 610885), (55, 366531), (87, 231715), (121, 166605), (145, 139029), (165, 122177), (319, 63195), (363, 55535), (383, 52635), (435, 46343), (605, 33321), (957, 21065), (1149, 17545), (1595, 12639), (1815, 11107), (1915, 10527), (3509, 5745), (4213, 4785)]