20218874025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{139033}}^1$

素因数の和:139330

約数の個数: 48

約数和(自身を含む): 38342240384

約数和(自身を除く): 18123366359

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 277, 525, 831, 1385, 1939, 4155, 5817, 6925, 9695, 20775, 29085, 48475, 139033, 145425, 417099, 695165, 973231, 2085495, 2919693, 3475825, 4866155, 10427475, 14598465, 24330775, 38512141, 72992325, 115536423, 192560705, 269584987, 577682115, 808754961, 962803525, 1347924935, 2888410575, 4043774805, 6739624675, 20218874025]

約数ペア:

[(1, 20218874025), (3, 6739624675), (5, 4043774805), (7, 2888410575), (15, 1347924935), (21, 962803525), (25, 808754961), (35, 577682115), (75, 269584987), (105, 192560705), (175, 115536423), (277, 72992325), (525, 38512141), (831, 24330775), (1385, 14598465), (1939, 10427475), (4155, 4866155), (5817, 3475825), (6925, 2919693), (9695, 2085495), (20775, 973231), (29085, 695165), (48475, 417099), (139033, 145425)]