20162787831

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1\times {\mathrm{1123}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 31056929280

約数和(自身を除く): 10894141449

約数列:

[1, 3, 9, 17, 51, 153, 239, 491, 717, 1123, 1473, 2151, 3369, 4063, 4419, 8347, 10107, 12189, 19091, 25041, 36567, 57273, 75123, 117349, 171819, 268397, 352047, 551393, 805191, 1056141, 1654179, 1994933, 2415573, 4562749, 4962537, 5984799, 9373681, 13688247, 17954397, 28121043, 41064741, 84363129, 131782927, 395348781, 1186046343, 2240309759, 6720929277, 20162787831]

約数ペア:

[(1, 20162787831), (3, 6720929277), (9, 2240309759), (17, 1186046343), (51, 395348781), (153, 131782927), (239, 84363129), (491, 41064741), (717, 28121043), (1123, 17954397), (1473, 13688247), (2151, 9373681), (3369, 5984799), (4063, 4962537), (4419, 4562749), (8347, 2415573), (10107, 1994933), (12189, 1654179), (19091, 1056141), (25041, 805191), (36567, 551393), (57273, 352047), (75123, 268397), (117349, 171819)]