20270810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 43522920

約数和(自身を除く): 23252110

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1009, 1435, 2009, 2018, 2870, 4018, 5045, 7063, 10045, 10090, 14126, 20090, 35315, 41369, 49441, 70630, 82738, 98882, 206845, 247205, 289583, 413690, 494410, 579166, 1447915, 2027081, 2895830, 4054162, 10135405, 20270810]

約数ペア:

[(1, 20270810), (2, 10135405), (5, 4054162), (7, 2895830), (10, 2027081), (14, 1447915), (35, 579166), (41, 494410), (49, 413690), (70, 289583), (82, 247205), (98, 206845), (205, 98882), (245, 82738), (287, 70630), (410, 49441), (490, 41369), (574, 35315), (1009, 20090), (1435, 14126), (2009, 10090), (2018, 10045), (2870, 7063), (4018, 5045)]