20194615

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 28440720

約数和(自身を除く): 8246105

約数列:

[1, 5, 7, 35, 49, 139, 245, 593, 695, 973, 2965, 4151, 4865, 6811, 20755, 29057, 34055, 82427, 145285, 412135, 576989, 2884945, 4038923, 20194615]

約数ペア:

[(1, 20194615), (5, 4038923), (7, 2884945), (35, 576989), (49, 412135), (139, 145285), (245, 82427), (593, 34055), (695, 29057), (973, 20755), (2965, 6811), (4151, 4865)]