20013804

素因数分解:

$2^2\times 3^4\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:516

約数の個数: 60

約数和(自身を含む): 52744384

約数和(自身を除く): 32730580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 223, 277, 324, 446, 554, 669, 831, 892, 1108, 1338, 1662, 2007, 2493, 2676, 3324, 4014, 4986, 6021, 7479, 8028, 9972, 12042, 14958, 18063, 22437, 24084, 29916, 36126, 44874, 61771, 72252, 89748, 123542, 185313, 247084, 370626, 555939, 741252, 1111878, 1667817, 2223756, 3335634, 5003451, 6671268, 10006902, 20013804]

約数ペア:

[(1, 20013804), (2, 10006902), (3, 6671268), (4, 5003451), (6, 3335634), (9, 2223756), (12, 1667817), (18, 1111878), (27, 741252), (36, 555939), (54, 370626), (81, 247084), (108, 185313), (162, 123542), (223, 89748), (277, 72252), (324, 61771), (446, 44874), (554, 36126), (669, 29916), (831, 24084), (892, 22437), (1108, 18063), (1338, 14958), (1662, 12042), (2007, 9972), (2493, 8028), (2676, 7479), (3324, 6021), (4014, 4986)]