20346540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10939}}^1$

素因数の和:10982

約数の個数: 48

約数和(自身を含む): 58813440

約数和(自身を除く): 38466900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10939, 21878, 32817, 43756, 54695, 65634, 109390, 131268, 164085, 218780, 328170, 339109, 656340, 678218, 1017327, 1356436, 1695545, 2034654, 3391090, 4069308, 5086635, 6782180, 10173270, 20346540]

約数ペア:

[(1, 20346540), (2, 10173270), (3, 6782180), (4, 5086635), (5, 4069308), (6, 3391090), (10, 2034654), (12, 1695545), (15, 1356436), (20, 1017327), (30, 678218), (31, 656340), (60, 339109), (62, 328170), (93, 218780), (124, 164085), (155, 131268), (186, 109390), (310, 65634), (372, 54695), (465, 43756), (620, 32817), (930, 21878), (1860, 10939)]