1900242020

素因数分解:

$2^2\times 5^1\times {\mathrm{2237}}^1\times {\mathrm{42473}}^1$

素因数の和:44719

約数の個数: 24

約数和(自身を含む): 3992386104

約数和(自身を除く): 2092144084

約数列:

[1, 2, 4, 5, 10, 20, 2237, 4474, 8948, 11185, 22370, 42473, 44740, 84946, 169892, 212365, 424730, 849460, 95012101, 190024202, 380048404, 475060505, 950121010, 1900242020]

約数ペア:

[(1, 1900242020), (2, 950121010), (4, 475060505), (5, 380048404), (10, 190024202), (20, 95012101), (2237, 849460), (4474, 424730), (8948, 212365), (11185, 169892), (22370, 84946), (42473, 44740)]