20163379491

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{656809}}^1$

素因数の和:657200

約数の個数: 20

約数和(自身を含む): 30200123800

約数和(自身を除く): 10036744309

約数列:

[1, 3, 9, 27, 81, 379, 1137, 3411, 10233, 30699, 656809, 1970427, 5911281, 17733843, 53201529, 248930611, 746791833, 2240375499, 6721126497, 20163379491]

約数ペア:

[(1, 20163379491), (3, 6721126497), (9, 2240375499), (27, 746791833), (81, 248930611), (379, 53201529), (1137, 17733843), (3411, 5911281), (10233, 1970427), (30699, 656809)]