20305236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1483}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 54516224

約数和(自身を除く): 34210988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 163, 326, 489, 652, 978, 1141, 1483, 1956, 2282, 2966, 3423, 4449, 4564, 5932, 6846, 8898, 10381, 13692, 17796, 20762, 31143, 41524, 62286, 124572, 241729, 483458, 725187, 966916, 1450374, 1692103, 2900748, 3384206, 5076309, 6768412, 10152618, 20305236]

約数ペア:

[(1, 20305236), (2, 10152618), (3, 6768412), (4, 5076309), (6, 3384206), (7, 2900748), (12, 1692103), (14, 1450374), (21, 966916), (28, 725187), (42, 483458), (84, 241729), (163, 124572), (326, 62286), (489, 41524), (652, 31143), (978, 20762), (1141, 17796), (1483, 13692), (1956, 10381), (2282, 8898), (2966, 6846), (3423, 5932), (4449, 4564)]