20199985325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{62153801}}^1$

素因数の和:62153824

約数の個数: 12

約数和(自身を含む): 26974750068

約数和(自身を除く): 6774764743

約数列:

[1, 5, 13, 25, 65, 325, 62153801, 310769005, 807999413, 1553845025, 4039997065, 20199985325]

約数ペア:

[(1, 20199985325), (5, 4039997065), (13, 1553845025), (25, 807999413), (65, 310769005), (325, 62153801)]