20154615845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2331361}}^1$

素因数の和:2331405

約数の個数: 32

約数和(自身を含む): 31333505280

約数和(自身を除く): 11178889435

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 2331361, 11656805, 16319527, 30307693, 44295859, 81597635, 151538465, 212153851, 221479295, 310071013, 575846167, 1060769255, 1550355065, 2879230835, 4030923169, 20154615845]

約数ペア:

[(1, 20154615845), (5, 4030923169), (7, 2879230835), (13, 1550355065), (19, 1060769255), (35, 575846167), (65, 310071013), (91, 221479295), (95, 212153851), (133, 151538465), (247, 81597635), (455, 44295859), (665, 30307693), (1235, 16319527), (1729, 11656805), (8645, 2331361)]