20236425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 38449920

約数和(自身を除く): 18213495

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1291, 1425, 3135, 3873, 5225, 6455, 14201, 15675, 19365, 24529, 32275, 42603, 71005, 73587, 96825, 122645, 213015, 269819, 355025, 367935, 613225, 809457, 1065075, 1349095, 1839675, 4047285, 6745475, 20236425]

約数ペア:

[(1, 20236425), (3, 6745475), (5, 4047285), (11, 1839675), (15, 1349095), (19, 1065075), (25, 809457), (33, 613225), (55, 367935), (57, 355025), (75, 269819), (95, 213015), (165, 122645), (209, 96825), (275, 73587), (285, 71005), (475, 42603), (627, 32275), (825, 24529), (1045, 19365), (1291, 15675), (1425, 14201), (3135, 6455), (3873, 5225)]