20861304

素因数分解:

$2^3\times 3^1\times {\mathrm{659}}^1\times {\mathrm{1319}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 52272000

約数和(自身を除く): 31410696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 659, 1318, 1319, 1977, 2636, 2638, 3954, 3957, 5272, 5276, 7908, 7914, 10552, 15816, 15828, 31656, 869221, 1738442, 2607663, 3476884, 5215326, 6953768, 10430652, 20861304]

約数ペア:

[(1, 20861304), (2, 10430652), (3, 6953768), (4, 5215326), (6, 3476884), (8, 2607663), (12, 1738442), (24, 869221), (659, 31656), (1318, 15828), (1319, 15816), (1977, 10552), (2636, 7914), (2638, 7908), (3954, 5276), (3957, 5272)]