20131468479

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1\times {\mathrm{1481}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 30450760704

約数和(自身を除く): 10319292225

約数列:

[1, 3, 9, 31, 83, 93, 249, 279, 587, 747, 1481, 1761, 2573, 4443, 5283, 7719, 13329, 18197, 23157, 45911, 48721, 54591, 122923, 137733, 146163, 163773, 368769, 413199, 438489, 869347, 1106307, 1510351, 2608041, 3810613, 4531053, 7824123, 11431839, 13593159, 26949757, 34295517, 72155801, 80849271, 216467403, 242547813, 649402209, 2236829831, 6710489493, 20131468479]

約数ペア:

[(1, 20131468479), (3, 6710489493), (9, 2236829831), (31, 649402209), (83, 242547813), (93, 216467403), (249, 80849271), (279, 72155801), (587, 34295517), (747, 26949757), (1481, 13593159), (1761, 11431839), (2573, 7824123), (4443, 4531053), (5283, 3810613), (7719, 2608041), (13329, 1510351), (18197, 1106307), (23157, 869347), (45911, 438489), (48721, 413199), (54591, 368769), (122923, 163773), (137733, 146163)]