20185581644

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1\times {\mathrm{1453}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 36102913056

約数和(自身を除く): 15917331412

約数列:

[1, 2, 4, 101, 137, 202, 251, 274, 404, 502, 548, 1004, 1453, 2906, 5812, 13837, 25351, 27674, 34387, 50702, 55348, 68774, 101404, 137548, 146753, 199061, 293506, 364703, 398122, 587012, 729406, 796244, 1458812, 3473087, 6946174, 13892348, 20105161, 36835003, 40210322, 49964311, 73670006, 80420644, 99928622, 147340012, 199857244, 5046395411, 10092790822, 20185581644]

約数ペア:

[(1, 20185581644), (2, 10092790822), (4, 5046395411), (101, 199857244), (137, 147340012), (202, 99928622), (251, 80420644), (274, 73670006), (404, 49964311), (502, 40210322), (548, 36835003), (1004, 20105161), (1453, 13892348), (2906, 6946174), (5812, 3473087), (13837, 1458812), (25351, 796244), (27674, 729406), (34387, 587012), (50702, 398122), (55348, 364703), (68774, 293506), (101404, 199061), (137548, 146753)]