20814288

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 59520000

約数和(自身を除く): 38705712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 79, 88, 132, 158, 176, 237, 264, 316, 474, 499, 528, 632, 869, 948, 998, 1264, 1497, 1738, 1896, 1996, 2607, 2994, 3476, 3792, 3992, 5214, 5489, 5988, 6952, 7984, 10428, 10978, 11976, 13904, 16467, 20856, 21956, 23952, 32934, 39421, 41712, 43912, 65868, 78842, 87824, 118263, 131736, 157684, 236526, 263472, 315368, 433631, 473052, 630736, 867262, 946104, 1300893, 1734524, 1892208, 2601786, 3469048, 5203572, 6938096, 10407144, 20814288]

約数ペア:

[(1, 20814288), (2, 10407144), (3, 6938096), (4, 5203572), (6, 3469048), (8, 2601786), (11, 1892208), (12, 1734524), (16, 1300893), (22, 946104), (24, 867262), (33, 630736), (44, 473052), (48, 433631), (66, 315368), (79, 263472), (88, 236526), (132, 157684), (158, 131736), (176, 118263), (237, 87824), (264, 78842), (316, 65868), (474, 43912), (499, 41712), (528, 39421), (632, 32934), (869, 23952), (948, 21956), (998, 20856), (1264, 16467), (1497, 13904), (1738, 11976), (1896, 10978), (1996, 10428), (2607, 7984), (2994, 6952), (3476, 5988), (3792, 5489), (3992, 5214)]