20661606

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163981}}^1$

素因数の和:163996

約数の個数: 24

約数和(自身を含む): 51162384

約数和(自身を除く): 30500778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163981, 327962, 491943, 983886, 1147867, 1475829, 2295734, 2951658, 3443601, 6887202, 10330803, 20661606]

約数ペア:

[(1, 20661606), (2, 10330803), (3, 6887202), (6, 3443601), (7, 2951658), (9, 2295734), (14, 1475829), (18, 1147867), (21, 983886), (42, 491943), (63, 327962), (126, 163981)]