20187654

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 42063840

約数和(自身を除く): 21876186

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 181, 362, 543, 641, 1086, 1282, 1923, 3846, 5249, 10498, 15747, 18589, 31494, 37178, 55767, 111534, 116021, 232042, 348063, 696126, 3364609, 6729218, 10093827, 20187654]

約数ペア:

[(1, 20187654), (2, 10093827), (3, 6729218), (6, 3364609), (29, 696126), (58, 348063), (87, 232042), (174, 116021), (181, 111534), (362, 55767), (543, 37178), (641, 31494), (1086, 18589), (1282, 15747), (1923, 10498), (3846, 5249)]