19702085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4969}}^1$

素因数の和:5048

約数の個数: 16

約数和(自身を含む): 25883760

約数和(自身を除く): 6181675

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4969, 24845, 64597, 303109, 322985, 1515545, 3940417, 19702085]

約数ペア:

[(1, 19702085), (5, 3940417), (13, 1515545), (61, 322985), (65, 303109), (305, 64597), (793, 24845), (3965, 4969)]