20565180075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1466323}}^1$

素因数の和:1466364

約数の個数: 48

約数和(自身を含む): 39274022016

約数和(自身を除く): 18708841941

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 2805, 4675, 14025, 1466323, 4398969, 7331615, 16129553, 21994845, 24927491, 36658075, 48388659, 74782473, 80647765, 109974225, 124637455, 241943295, 274202401, 373912365, 403238825, 623187275, 822607203, 1209716475, 1371012005, 1869561825, 4113036015, 6855060025, 20565180075]

約数ペア:

[(1, 20565180075), (3, 6855060025), (5, 4113036015), (11, 1869561825), (15, 1371012005), (17, 1209716475), (25, 822607203), (33, 623187275), (51, 403238825), (55, 373912365), (75, 274202401), (85, 241943295), (165, 124637455), (187, 109974225), (255, 80647765), (275, 74782473), (425, 48388659), (561, 36658075), (825, 24927491), (935, 21994845), (1275, 16129553), (2805, 7331615), (4675, 4398969), (14025, 1466323)]