20848205

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 31124736

約数和(自身を除く): 10276531

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 259, 595, 629, 947, 1295, 3145, 4403, 4735, 6629, 16099, 22015, 33145, 35039, 80495, 112693, 175195, 245273, 563465, 595663, 1226365, 2978315, 4169641, 20848205]

約数ペア:

[(1, 20848205), (5, 4169641), (7, 2978315), (17, 1226365), (35, 595663), (37, 563465), (85, 245273), (119, 175195), (185, 112693), (259, 80495), (595, 35039), (629, 33145), (947, 22015), (1295, 16099), (3145, 6629), (4403, 4735)]