20074545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 37402560

約数和(自身を除く): 17328015

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 443, 477, 795, 855, 1007, 1329, 2215, 2385, 3021, 3987, 5035, 6645, 8417, 9063, 15105, 19935, 23479, 25251, 42085, 45315, 70437, 75753, 117395, 126255, 211311, 352185, 378765, 446101, 1056555, 1338303, 2230505, 4014909, 6691515, 20074545]

約数ペア:

[(1, 20074545), (3, 6691515), (5, 4014909), (9, 2230505), (15, 1338303), (19, 1056555), (45, 446101), (53, 378765), (57, 352185), (95, 211311), (159, 126255), (171, 117395), (265, 75753), (285, 70437), (443, 45315), (477, 42085), (795, 25251), (855, 23479), (1007, 19935), (1329, 15105), (2215, 9063), (2385, 8417), (3021, 6645), (3987, 5035)]