2020608740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1\times {\mathrm{2797}}^1$

素因数の和:3728

約数の個数: 48

約数和(自身を含む): 4353262704

約数和(自身を除く): 2332653964

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 881, 1762, 2797, 3524, 4405, 5594, 8810, 11188, 13985, 17620, 27970, 36121, 55940, 72242, 114677, 144484, 180605, 229354, 361210, 458708, 573385, 722420, 1146770, 2293540, 2464157, 4928314, 9856628, 12320785, 24641570, 49283140, 101030437, 202060874, 404121748, 505152185, 1010304370, 2020608740]

約数ペア:

[(1, 2020608740), (2, 1010304370), (4, 505152185), (5, 404121748), (10, 202060874), (20, 101030437), (41, 49283140), (82, 24641570), (164, 12320785), (205, 9856628), (410, 4928314), (820, 2464157), (881, 2293540), (1762, 1146770), (2797, 722420), (3524, 573385), (4405, 458708), (5594, 361210), (8810, 229354), (11188, 180605), (13985, 144484), (17620, 114677), (27970, 72242), (36121, 55940)]