20732390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1459}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 44938800

約数和(自身を除く): 24206410

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1421, 1459, 2030, 2842, 2918, 7105, 7295, 10213, 14210, 14590, 20426, 42311, 51065, 71491, 84622, 102130, 142982, 211555, 296177, 357455, 423110, 592354, 714910, 1480885, 2073239, 2961770, 4146478, 10366195, 20732390]

約数ペア:

[(1, 20732390), (2, 10366195), (5, 4146478), (7, 2961770), (10, 2073239), (14, 1480885), (29, 714910), (35, 592354), (49, 423110), (58, 357455), (70, 296177), (98, 211555), (145, 142982), (203, 102130), (245, 84622), (290, 71491), (406, 51065), (490, 42311), (1015, 20426), (1421, 14590), (1459, 14210), (2030, 10213), (2842, 7295), (2918, 7105)]