20213565140

素因数分解:

$2^2\times 5^1\times {\mathrm{6271}}^1\times {\mathrm{161167}}^1$

素因数の和:167447

約数の個数: 24

約数和(自身を含む): 42455519232

約数和(自身を除く): 22241954092

約数列:

[1, 2, 4, 5, 10, 20, 6271, 12542, 25084, 31355, 62710, 125420, 161167, 322334, 644668, 805835, 1611670, 3223340, 1010678257, 2021356514, 4042713028, 5053391285, 10106782570, 20213565140]

約数ペア:

[(1, 20213565140), (2, 10106782570), (4, 5053391285), (5, 4042713028), (10, 2021356514), (20, 1010678257), (6271, 3223340), (12542, 1611670), (25084, 805835), (31355, 644668), (62710, 322334), (125420, 161167)]