20210497624

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{5581}}^1\times {\mathrm{19681}}^1$

素因数の和:25291

約数の個数: 32

約数和(自身を含む): 39551372640

約数和(自身を除く): 19340875016

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 5581, 11162, 19681, 22324, 39362, 44648, 78724, 128363, 157448, 256726, 452663, 513452, 905326, 1026904, 1810652, 3621304, 109839661, 219679322, 439358644, 878717288, 2526312203, 5052624406, 10105248812, 20210497624]

約数ペア:

[(1, 20210497624), (2, 10105248812), (4, 5052624406), (8, 2526312203), (23, 878717288), (46, 439358644), (92, 219679322), (184, 109839661), (5581, 3621304), (11162, 1810652), (19681, 1026904), (22324, 905326), (39362, 513452), (44648, 452663), (78724, 256726), (128363, 157448)]