20778342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{547}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 44927232

約数和(自身を除く): 24148890

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 487, 547, 974, 1094, 1461, 1641, 2922, 3282, 6331, 7111, 12662, 14222, 18993, 21333, 37986, 42666, 266389, 532778, 799167, 1598334, 3463057, 6926114, 10389171, 20778342]

約数ペア:

[(1, 20778342), (2, 10389171), (3, 6926114), (6, 3463057), (13, 1598334), (26, 799167), (39, 532778), (78, 266389), (487, 42666), (547, 37986), (974, 21333), (1094, 18993), (1461, 14222), (1641, 12662), (2922, 7111), (3282, 6331)]