20698740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4259}}^1$

素因数の和:4283

約数の個数: 72

約数和(自身を含む): 65126880

約数和(自身を除く): 44428140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4259, 4860, 8518, 12777, 17036, 21295, 25554, 38331, 42590, 51108, 63885, 76662, 85180, 114993, 127770, 153324, 191655, 229986, 255540, 344979, 383310, 459972, 574965, 689958, 766620, 1034937, 1149930, 1379916, 1724895, 2069874, 2299860, 3449790, 4139748, 5174685, 6899580, 10349370, 20698740]

約数ペア:

[(1, 20698740), (2, 10349370), (3, 6899580), (4, 5174685), (5, 4139748), (6, 3449790), (9, 2299860), (10, 2069874), (12, 1724895), (15, 1379916), (18, 1149930), (20, 1034937), (27, 766620), (30, 689958), (36, 574965), (45, 459972), (54, 383310), (60, 344979), (81, 255540), (90, 229986), (108, 191655), (135, 153324), (162, 127770), (180, 114993), (243, 85180), (270, 76662), (324, 63885), (405, 51108), (486, 42590), (540, 38331), (810, 25554), (972, 21295), (1215, 17036), (1620, 12777), (2430, 8518), (4259, 4860)]