20722702

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 42096096

約数和(自身を除く): 21373394

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 941, 1001, 1573, 1694, 1882, 2002, 3146, 6587, 10351, 11011, 12233, 13174, 20702, 22022, 24466, 72457, 85631, 113861, 134563, 144914, 171262, 227722, 269126, 797027, 941941, 1480193, 1594054, 1883882, 2960386, 10361351, 20722702]

約数ペア:

[(1, 20722702), (2, 10361351), (7, 2960386), (11, 1883882), (13, 1594054), (14, 1480193), (22, 941941), (26, 797027), (77, 269126), (91, 227722), (121, 171262), (143, 144914), (154, 134563), (182, 113861), (242, 85631), (286, 72457), (847, 24466), (941, 22022), (1001, 20702), (1573, 13174), (1694, 12233), (1882, 11011), (2002, 10351), (3146, 6587)]