20365644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6871}}^1$

素因数の和:6910

約数の個数: 48

約数和(自身を含む): 53876480

約数和(自身を除く): 33510836

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6871, 13742, 20613, 27484, 41226, 82452, 89323, 130549, 178646, 261098, 267969, 357292, 391647, 522196, 535938, 783294, 1071876, 1566588, 1697137, 3394274, 5091411, 6788548, 10182822, 20365644]

約数ペア:

[(1, 20365644), (2, 10182822), (3, 6788548), (4, 5091411), (6, 3394274), (12, 1697137), (13, 1566588), (19, 1071876), (26, 783294), (38, 535938), (39, 522196), (52, 391647), (57, 357292), (76, 267969), (78, 261098), (114, 178646), (156, 130549), (228, 89323), (247, 82452), (494, 41226), (741, 27484), (988, 20613), (1482, 13742), (2964, 6871)]