20407841285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{183499}}^1$

素因数の和:183605

約数の個数: 32

約数和(自身を含む): 27745200000

約数和(自身を除く): 7337358715

約数列:

[1, 5, 13, 29, 59, 65, 145, 295, 377, 767, 1711, 1885, 3835, 8555, 22243, 111215, 183499, 917495, 2385487, 5321471, 10826441, 11927435, 26607355, 54132205, 69179123, 140743733, 313966789, 345895615, 703718665, 1569833945, 4081568257, 20407841285]

約数ペア:

[(1, 20407841285), (5, 4081568257), (13, 1569833945), (29, 703718665), (59, 345895615), (65, 313966789), (145, 140743733), (295, 69179123), (377, 54132205), (767, 26607355), (1711, 11927435), (1885, 10826441), (3835, 5321471), (8555, 2385487), (22243, 917495), (111215, 183499)]