20025138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 28600782

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 41, 42, 58, 82, 87, 123, 174, 203, 246, 287, 401, 406, 574, 609, 802, 861, 1189, 1203, 1218, 1722, 2378, 2406, 2807, 3567, 5614, 7134, 8323, 8421, 11629, 16441, 16646, 16842, 23258, 24969, 32882, 34887, 49323, 49938, 69774, 81403, 98646, 115087, 162806, 230174, 244209, 345261, 476789, 488418, 690522, 953578, 1430367, 2860734, 3337523, 6675046, 10012569, 20025138]

約数ペア:

[(1, 20025138), (2, 10012569), (3, 6675046), (6, 3337523), (7, 2860734), (14, 1430367), (21, 953578), (29, 690522), (41, 488418), (42, 476789), (58, 345261), (82, 244209), (87, 230174), (123, 162806), (174, 115087), (203, 98646), (246, 81403), (287, 69774), (401, 49938), (406, 49323), (574, 34887), (609, 32882), (802, 24969), (861, 23258), (1189, 16842), (1203, 16646), (1218, 16441), (1722, 11629), (2378, 8421), (2406, 8323), (2807, 7134), (3567, 5614)]