20873699

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2399}}^1$

素因数の和:2530

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 5391901

約数列:

[1, 7, 11, 77, 113, 791, 1243, 2399, 8701, 16793, 26389, 184723, 271087, 1897609, 2981957, 20873699]

約数ペア:

[(1, 20873699), (7, 2981957), (11, 1897609), (77, 271087), (113, 184723), (791, 26389), (1243, 16793), (2399, 8701)]