20219498

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 33133248

約数和(自身を除く): 12913750

約数列:

[1, 2, 13, 26, 163, 169, 326, 338, 367, 734, 2119, 4238, 4771, 9542, 27547, 55094, 59821, 62023, 119642, 124046, 777673, 1555346, 10109749, 20219498]

約数ペア:

[(1, 20219498), (2, 10109749), (13, 1555346), (26, 777673), (163, 124046), (169, 119642), (326, 62023), (338, 59821), (367, 55094), (734, 27547), (2119, 9542), (4238, 4771)]