20051316

素因数分解:

$2^2\times 3^2\times {\mathrm{556981}}^1$

素因数の和:556991

約数の個数: 18

約数和(自身を含む): 50685362

約数和(自身を除く): 30634046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556981, 1113962, 1670943, 2227924, 3341886, 5012829, 6683772, 10025658, 20051316]

約数ペア:

[(1, 20051316), (2, 10025658), (3, 6683772), (4, 5012829), (6, 3341886), (9, 2227924), (12, 1670943), (18, 1113962), (36, 556981)]