201969940

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{12211}}^1$

素因数の和:13047

約数の個数: 24

約数和(自身を含む): 424684512

約数和(自身を除く): 222714572

約数列:

[1, 2, 4, 5, 10, 20, 827, 1654, 3308, 4135, 8270, 12211, 16540, 24422, 48844, 61055, 122110, 244220, 10098497, 20196994, 40393988, 50492485, 100984970, 201969940]

約数ペア:

[(1, 201969940), (2, 100984970), (4, 50492485), (5, 40393988), (10, 20196994), (20, 10098497), (827, 244220), (1654, 122110), (3308, 61055), (4135, 48844), (8270, 24422), (12211, 16540)]