20365164

素因数分解:

$2^2\times 3^2\times {\mathrm{479}}^1\times {\mathrm{1181}}^1$

素因数の和:1670

約数の個数: 36

約数和(自身を含む): 51629760

約数和(自身を除く): 31264596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 479, 958, 1181, 1437, 1916, 2362, 2874, 3543, 4311, 4724, 5748, 7086, 8622, 10629, 14172, 17244, 21258, 42516, 565699, 1131398, 1697097, 2262796, 3394194, 5091291, 6788388, 10182582, 20365164]

約数ペア:

[(1, 20365164), (2, 10182582), (3, 6788388), (4, 5091291), (6, 3394194), (9, 2262796), (12, 1697097), (18, 1131398), (36, 565699), (479, 42516), (958, 21258), (1181, 17244), (1437, 14172), (1916, 10629), (2362, 8622), (2874, 7086), (3543, 5748), (4311, 4724)]