20512781527

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1583}}^1\times {\mathrm{30347}}^1$

素因数の和:31998

約数の個数: 16

約数和(自身を含む): 23843331072

約数和(自身を除く): 3330549545

約数列:

[1, 7, 61, 427, 1583, 11081, 30347, 96563, 212429, 675941, 1851167, 12958169, 48039301, 336275107, 2930397361, 20512781527]

約数ペア:

[(1, 20512781527), (7, 2930397361), (61, 336275107), (427, 48039301), (1583, 12958169), (11081, 1851167), (30347, 675941), (96563, 212429)]