20897382

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2417}}^1$

素因数の和:2564

約数の個数: 32

約数和(自身を含む): 45961344

約数和(自身を除く): 25063962

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2417, 2882, 4323, 4834, 7251, 8646, 14502, 26587, 53174, 79761, 159522, 316627, 633254, 949881, 1899762, 3482897, 6965794, 10448691, 20897382]

約数ペア:

[(1, 20897382), (2, 10448691), (3, 6965794), (6, 3482897), (11, 1899762), (22, 949881), (33, 633254), (66, 316627), (131, 159522), (262, 79761), (393, 53174), (786, 26587), (1441, 14502), (2417, 8646), (2882, 7251), (4323, 4834)]