20971288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10613}}^1$

素因数の和:10651

約数の個数: 32

約数和(自身を含む): 44578800

約数和(自身を除く): 23607512

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10613, 21226, 42452, 84904, 137969, 201647, 275938, 403294, 551876, 806588, 1103752, 1613176, 2621411, 5242822, 10485644, 20971288]

約数ペア:

[(1, 20971288), (2, 10485644), (4, 5242822), (8, 2621411), (13, 1613176), (19, 1103752), (26, 806588), (38, 551876), (52, 403294), (76, 275938), (104, 201647), (152, 137969), (247, 84904), (494, 42452), (988, 21226), (1976, 10613)]