20052078445

素因数分解:

$5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{907}}^1\times {\mathrm{2621}}^1$

素因数の和:3781

約数の個数: 32

約数和(自身を含む): 27655094016

約数和(自身を除く): 7603015571

約数列:

[1, 5, 7, 35, 241, 907, 1205, 1687, 2621, 4535, 6349, 8435, 13105, 18347, 31745, 91735, 218587, 631661, 1092935, 1530109, 2377247, 3158305, 4421627, 7650545, 11886235, 16640729, 22108135, 83203645, 572916527, 2864582635, 4010415689, 20052078445]

約数ペア:

[(1, 20052078445), (5, 4010415689), (7, 2864582635), (35, 572916527), (241, 83203645), (907, 22108135), (1205, 16640729), (1687, 11886235), (2621, 7650545), (4535, 4421627), (6349, 3158305), (8435, 2377247), (13105, 1530109), (18347, 1092935), (31745, 631661), (91735, 218587)]