20003010021

素因数分解:

$3^4\times {\mathrm{7883}}^1\times {\mathrm{31327}}^1$

素因数の和:39222

約数の個数: 20

約数和(自身を含む): 29885784192

約数和(自身を除く): 9882774171

約数列:

[1, 3, 9, 27, 81, 7883, 23649, 31327, 70947, 93981, 212841, 281943, 638523, 845829, 2537487, 246950741, 740852223, 2222556669, 6667670007, 20003010021]

約数ペア:

[(1, 20003010021), (3, 6667670007), (9, 2222556669), (27, 740852223), (81, 246950741), (7883, 2537487), (23649, 845829), (31327, 638523), (70947, 281943), (93981, 212841)]