20699160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{953}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 62506080

約数和(自身を除く): 41806920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 953, 1086, 1448, 1810, 1906, 2172, 2715, 2859, 3620, 3812, 4344, 4765, 5430, 5718, 7240, 7624, 9530, 10860, 11436, 14295, 19060, 21720, 22872, 28590, 38120, 57180, 114360, 172493, 344986, 517479, 689972, 862465, 1034958, 1379944, 1724930, 2069916, 2587395, 3449860, 4139832, 5174790, 6899720, 10349580, 20699160]

約数ペア:

[(1, 20699160), (2, 10349580), (3, 6899720), (4, 5174790), (5, 4139832), (6, 3449860), (8, 2587395), (10, 2069916), (12, 1724930), (15, 1379944), (20, 1034958), (24, 862465), (30, 689972), (40, 517479), (60, 344986), (120, 172493), (181, 114360), (362, 57180), (543, 38120), (724, 28590), (905, 22872), (953, 21720), (1086, 19060), (1448, 14295), (1810, 11436), (1906, 10860), (2172, 9530), (2715, 7624), (2859, 7240), (3620, 5718), (3812, 5430), (4344, 4765)]