20178580045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1\times {\mathrm{10303}}^1$

素因数の和:11389

約数の個数: 32

約数和(自身を含む): 27004723200

約数和(自身を除く): 6826143155

約数列:

[1, 5, 13, 29, 65, 145, 377, 1039, 1885, 5195, 10303, 13507, 30131, 51515, 67535, 133939, 150655, 298787, 391703, 669695, 1493935, 1958515, 3884231, 10704817, 19421155, 53524085, 139162621, 310439693, 695813105, 1552198465, 4035716009, 20178580045]

約数ペア:

[(1, 20178580045), (5, 4035716009), (13, 1552198465), (29, 695813105), (65, 310439693), (145, 139162621), (377, 53524085), (1039, 19421155), (1885, 10704817), (5195, 3884231), (10303, 1958515), (13507, 1493935), (30131, 669695), (51515, 391703), (67535, 298787), (133939, 150655)]