20163309

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6701}}^1$

素因数の和:6780

約数の個数: 16

約数和(自身を含む): 28952640

約数和(自身を除く): 8789331

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6701, 20103, 113917, 341751, 395359, 1186077, 6721103, 20163309]

約数ペア:

[(1, 20163309), (3, 6721103), (17, 1186077), (51, 395359), (59, 341751), (177, 113917), (1003, 20103), (3009, 6701)]