20211846680

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1798207}}^1$

素因数の和:1798499

約数の個数: 32

約数和(自身を含む): 45638519040

約数和(自身を除く): 25426672360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 1798207, 3596414, 7192828, 8991035, 14385656, 17982070, 35964140, 71928280, 505296167, 1010592334, 2021184668, 2526480835, 4042369336, 5052961670, 10105923340, 20211846680]

約数ペア:

[(1, 20211846680), (2, 10105923340), (4, 5052961670), (5, 4042369336), (8, 2526480835), (10, 2021184668), (20, 1010592334), (40, 505296167), (281, 71928280), (562, 35964140), (1124, 17982070), (1405, 14385656), (2248, 8991035), (2810, 7192828), (5620, 3596414), (11240, 1798207)]