20157246

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25837794

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 181, 207, 269, 362, 414, 538, 543, 807, 1086, 1614, 1629, 2421, 3258, 4163, 4842, 6187, 8326, 12374, 12489, 18561, 24978, 37122, 37467, 48689, 55683, 74934, 97378, 111366, 146067, 292134, 438201, 876402, 1119847, 2239694, 3359541, 6719082, 10078623, 20157246]

約数ペア:

[(1, 20157246), (2, 10078623), (3, 6719082), (6, 3359541), (9, 2239694), (18, 1119847), (23, 876402), (46, 438201), (69, 292134), (138, 146067), (181, 111366), (207, 97378), (269, 74934), (362, 55683), (414, 48689), (538, 37467), (543, 37122), (807, 24978), (1086, 18561), (1614, 12489), (1629, 12374), (2421, 8326), (3258, 6187), (4163, 4842)]