11252020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3329}}^1$

素因数の和:3364

約数の個数: 36

約数和(自身を含む): 25594380

約数和(自身を除く): 14342360

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3329, 3380, 6658, 13316, 16645, 33290, 43277, 66580, 86554, 173108, 216385, 432770, 562601, 865540, 1125202, 2250404, 2813005, 5626010, 11252020]

約数ペア:

[(1, 11252020), (2, 5626010), (4, 2813005), (5, 2250404), (10, 1125202), (13, 865540), (20, 562601), (26, 432770), (52, 216385), (65, 173108), (130, 86554), (169, 66580), (260, 43277), (338, 33290), (676, 16645), (845, 13316), (1690, 6658), (3329, 3380)]