20220395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 28667520

約数和(自身を除く): 8447125

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 631, 1105, 1885, 2465, 3155, 6409, 8203, 10727, 18299, 32045, 41015, 53635, 91495, 139451, 237887, 311083, 697255, 1189435, 1555415, 4044079, 20220395]

約数ペア:

[(1, 20220395), (5, 4044079), (13, 1555415), (17, 1189435), (29, 697255), (65, 311083), (85, 237887), (145, 139451), (221, 91495), (377, 53635), (493, 41015), (631, 32045), (1105, 18299), (1885, 10727), (2465, 8203), (3155, 6409)]