20123796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 60641280

約数和(自身を除く): 40517484

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 29, 33, 42, 44, 58, 66, 77, 84, 87, 116, 132, 154, 174, 203, 231, 308, 319, 348, 406, 462, 609, 638, 751, 812, 924, 957, 1218, 1276, 1502, 1914, 2233, 2253, 2436, 3004, 3828, 4466, 4506, 5257, 6699, 8261, 8932, 9012, 10514, 13398, 15771, 16522, 21028, 21779, 24783, 26796, 31542, 33044, 43558, 49566, 57827, 63084, 65337, 87116, 99132, 115654, 130674, 152453, 173481, 231308, 239569, 261348, 304906, 346962, 457359, 479138, 609812, 693924, 718707, 914718, 958276, 1437414, 1676983, 1829436, 2874828, 3353966, 5030949, 6707932, 10061898, 20123796]

約数ペア:

[(1, 20123796), (2, 10061898), (3, 6707932), (4, 5030949), (6, 3353966), (7, 2874828), (11, 1829436), (12, 1676983), (14, 1437414), (21, 958276), (22, 914718), (28, 718707), (29, 693924), (33, 609812), (42, 479138), (44, 457359), (58, 346962), (66, 304906), (77, 261348), (84, 239569), (87, 231308), (116, 173481), (132, 152453), (154, 130674), (174, 115654), (203, 99132), (231, 87116), (308, 65337), (319, 63084), (348, 57827), (406, 49566), (462, 43558), (609, 33044), (638, 31542), (751, 26796), (812, 24783), (924, 21779), (957, 21028), (1218, 16522), (1276, 15771), (1502, 13398), (1914, 10514), (2233, 9012), (2253, 8932), (2436, 8261), (3004, 6699), (3828, 5257), (4466, 4506)]