20714997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6857}}^1$

素因数の和:6932

約数の個数: 16

約数和(自身を含む): 29626560

約数和(自身を除く): 8911563

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6857, 20571, 130283, 363421, 390849, 1090263, 6904999, 20714997]

約数ペア:

[(1, 20714997), (3, 6904999), (19, 1090263), (53, 390849), (57, 363421), (159, 130283), (1007, 20571), (3021, 6857)]