20402410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{761}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 42135552

約数和(自身を除く): 21733142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 383, 761, 766, 1522, 1915, 2681, 3805, 3830, 5327, 5362, 7610, 10654, 13405, 26635, 26810, 53270, 291463, 582926, 1457315, 2040241, 2914630, 4080482, 10201205, 20402410]

約数ペア:

[(1, 20402410), (2, 10201205), (5, 4080482), (7, 2914630), (10, 2040241), (14, 1457315), (35, 582926), (70, 291463), (383, 53270), (761, 26810), (766, 26635), (1522, 13405), (1915, 10654), (2681, 7610), (3805, 5362), (3830, 5327)]