20496171

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 7528533

約数列:

[1, 3, 67, 107, 201, 321, 953, 2859, 7169, 21507, 63851, 101971, 191553, 305913, 6832057, 20496171]

約数ペア:

[(1, 20496171), (3, 6832057), (67, 305913), (107, 191553), (201, 101971), (321, 63851), (953, 21507), (2859, 7169)]