20156418

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16229}}^1$

素因数の和:16263

約数の個数: 32

約数和(自身を含む): 46742400

約数和(自身を除く): 26585982

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16229, 32458, 48687, 97374, 146061, 292122, 373267, 438183, 746534, 876366, 1119801, 2239602, 3359403, 6718806, 10078209, 20156418]

約数ペア:

[(1, 20156418), (2, 10078209), (3, 6718806), (6, 3359403), (9, 2239602), (18, 1119801), (23, 876366), (27, 746534), (46, 438183), (54, 373267), (69, 292122), (138, 146061), (207, 97374), (414, 48687), (621, 32458), (1242, 16229)]