20943142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6389}}^1$

素因数の和:6551

約数の個数: 16

約数和(自身を含む): 34506000

約数和(自身を除く): 13562858

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6389, 12778, 70279, 140558, 951961, 1903922, 10471571, 20943142]

約数ペア:

[(1, 20943142), (2, 10471571), (11, 1903922), (22, 951961), (149, 140558), (298, 70279), (1639, 12778), (3278, 6389)]