20705460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5849}}^1$

素因数の和:5920

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 38262540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5849, 11698, 17547, 23396, 29245, 35094, 58490, 70188, 87735, 116980, 175470, 345091, 350940, 690182, 1035273, 1380364, 1725455, 2070546, 3450910, 4141092, 5176365, 6901820, 10352730, 20705460]

約数ペア:

[(1, 20705460), (2, 10352730), (3, 6901820), (4, 5176365), (5, 4141092), (6, 3450910), (10, 2070546), (12, 1725455), (15, 1380364), (20, 1035273), (30, 690182), (59, 350940), (60, 345091), (118, 175470), (177, 116980), (236, 87735), (295, 70188), (354, 58490), (590, 35094), (708, 29245), (885, 23396), (1180, 17547), (1770, 11698), (3540, 5849)]