20535770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3727}}^1$

素因数の和:3782

約数の個数: 32

約数和(自身を含む): 40262400

約数和(自身を除く): 19726630

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3727, 5510, 7454, 18635, 37270, 70813, 108083, 141626, 216166, 354065, 540415, 708130, 1080830, 2053577, 4107154, 10267885, 20535770]

約数ペア:

[(1, 20535770), (2, 10267885), (5, 4107154), (10, 2053577), (19, 1080830), (29, 708130), (38, 540415), (58, 354065), (95, 216166), (145, 141626), (190, 108083), (290, 70813), (551, 37270), (1102, 18635), (2755, 7454), (3727, 5510)]