20939631

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6959}}^1$

素因数の和:7038

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 9127569

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6959, 20877, 118303, 354909, 410581, 1231743, 6979877, 20939631]

約数ペア:

[(1, 20939631), (3, 6979877), (17, 1231743), (51, 410581), (59, 354909), (177, 118303), (1003, 20877), (3009, 6959)]