20167615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 27142560

約数和(自身を除く): 6974945

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 823, 845, 1885, 4115, 4901, 10699, 23867, 24505, 53495, 119335, 139087, 310271, 695435, 1551355, 4033523, 20167615]

約数ペア:

[(1, 20167615), (5, 4033523), (13, 1551355), (29, 695435), (65, 310271), (145, 139087), (169, 119335), (377, 53495), (823, 24505), (845, 23867), (1885, 10699), (4115, 4901)]