20129834410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{918751}}^1$

素因数の和:919078

約数の個数: 32

約数和(自身を含む): 41542290432

約数和(自身を除く): 21412456022

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 1565, 2191, 3130, 4382, 10955, 21910, 918751, 1837502, 4593755, 6431257, 9187510, 12862514, 32156285, 64312570, 287569063, 575138126, 1437845315, 2012983441, 2875690630, 4025966882, 10064917205, 20129834410]

約数ペア:

[(1, 20129834410), (2, 10064917205), (5, 4025966882), (7, 2875690630), (10, 2012983441), (14, 1437845315), (35, 575138126), (70, 287569063), (313, 64312570), (626, 32156285), (1565, 12862514), (2191, 9187510), (3130, 6431257), (4382, 4593755), (10955, 1837502), (21910, 918751)]