20727143375

素因数分解:

$5^3\times {\mathrm{307}}^1\times {\mathrm{540121}}^1$

素因数の和:540443

約数の個数: 16

約数和(自身を含む): 25951781856

約数和(自身を除く): 5224638481

約数列:

[1, 5, 25, 125, 307, 1535, 7675, 38375, 540121, 2700605, 13503025, 67515125, 165817147, 829085735, 4145428675, 20727143375]

約数ペア:

[(1, 20727143375), (5, 4145428675), (25, 829085735), (125, 165817147), (307, 67515125), (1535, 13503025), (7675, 2700605), (38375, 540121)]