20630090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4289}}^1$

素因数の和:4346

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 20450950

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4289, 4810, 8578, 21445, 42890, 55757, 111514, 158693, 278785, 317386, 557570, 793465, 1586930, 2063009, 4126018, 10315045, 20630090]

約数ペア:

[(1, 20630090), (2, 10315045), (5, 4126018), (10, 2063009), (13, 1586930), (26, 793465), (37, 557570), (65, 317386), (74, 278785), (130, 158693), (185, 111514), (370, 55757), (481, 42890), (962, 21445), (2405, 8578), (4289, 4810)]