20066390

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 37001664

約数和(自身を除く): 16935274

約数列:

[1, 2, 5, 10, 97, 137, 151, 194, 274, 302, 485, 685, 755, 970, 1370, 1510, 13289, 14647, 20687, 26578, 29294, 41374, 66445, 73235, 103435, 132890, 146470, 206870, 2006639, 4013278, 10033195, 20066390]

約数ペア:

[(1, 20066390), (2, 10033195), (5, 4013278), (10, 2006639), (97, 206870), (137, 146470), (151, 132890), (194, 103435), (274, 73235), (302, 66445), (485, 41374), (685, 29294), (755, 26578), (970, 20687), (1370, 14647), (1510, 13289)]