20951630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10321}}^1$

素因数の和:10364

約数の個数: 32

約数和(自身を含む): 44591040

約数和(自身を除く): 23639410

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10321, 20642, 51605, 72247, 103210, 144494, 299309, 361235, 598618, 722470, 1496545, 2095163, 2993090, 4190326, 10475815, 20951630]

約数ペア:

[(1, 20951630), (2, 10475815), (5, 4190326), (7, 2993090), (10, 2095163), (14, 1496545), (29, 722470), (35, 598618), (58, 361235), (70, 299309), (145, 144494), (203, 103210), (290, 72247), (406, 51605), (1015, 20642), (2030, 10321)]