20046915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 41453568

約数和(自身を除く): 21406653

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2767, 7245, 8301, 13835, 19369, 24903, 41505, 58107, 63641, 96845, 124515, 174321, 190923, 290535, 318205, 445487, 572769, 871605, 954615, 1336461, 2227435, 2863845, 4009383, 6682305, 20046915]

約数ペア:

[(1, 20046915), (3, 6682305), (5, 4009383), (7, 2863845), (9, 2227435), (15, 1336461), (21, 954615), (23, 871605), (35, 572769), (45, 445487), (63, 318205), (69, 290535), (105, 190923), (115, 174321), (161, 124515), (207, 96845), (315, 63641), (345, 58107), (483, 41505), (805, 24903), (1035, 19369), (1449, 13835), (2415, 8301), (2767, 7245)]