20050266920

素因数分解:

$2^3\times 5^1\times {\mathrm{501256673}}^1$

素因数の和:501256684

約数の個数: 16

約数和(自身を含む): 45113100660

約数和(自身を除く): 25062833740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501256673, 1002513346, 2005026692, 2506283365, 4010053384, 5012566730, 10025133460, 20050266920]

約数ペア:

[(1, 20050266920), (2, 10025133460), (4, 5012566730), (5, 4010053384), (8, 2506283365), (10, 2005026692), (20, 1002513346), (40, 501256673)]