20462356

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 39335296

約数和(自身を除く): 18872940

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 289, 527, 571, 578, 1054, 1142, 1156, 2108, 2284, 8959, 9707, 17701, 17918, 19414, 35402, 35836, 38828, 70804, 165019, 300917, 330038, 601834, 660076, 1203668, 5115589, 10231178, 20462356]

約数ペア:

[(1, 20462356), (2, 10231178), (4, 5115589), (17, 1203668), (31, 660076), (34, 601834), (62, 330038), (68, 300917), (124, 165019), (289, 70804), (527, 38828), (571, 35836), (578, 35402), (1054, 19414), (1142, 17918), (1156, 17701), (2108, 9707), (2284, 8959)]