20054608

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1307}}^1$

素因数の和:1459

約数の個数: 40

約数和(自身を含む): 44764992

約数和(自身を除く): 24710384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1307, 1918, 2192, 2614, 3836, 5228, 7672, 9149, 10456, 15344, 18298, 20912, 36596, 73192, 146384, 179059, 358118, 716236, 1253413, 1432472, 2506826, 2864944, 5013652, 10027304, 20054608]

約数ペア:

[(1, 20054608), (2, 10027304), (4, 5013652), (7, 2864944), (8, 2506826), (14, 1432472), (16, 1253413), (28, 716236), (56, 358118), (112, 179059), (137, 146384), (274, 73192), (548, 36596), (959, 20912), (1096, 18298), (1307, 15344), (1918, 10456), (2192, 9149), (2614, 7672), (3836, 5228)]