20574297

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 32194560

約数和(自身を除く): 11620263

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 523, 837, 1269, 1457, 1569, 4371, 4707, 13113, 14121, 16213, 24581, 39339, 48639, 73743, 145917, 221229, 437751, 663687, 762011, 2286033, 6858099, 20574297]

約数ペア:

[(1, 20574297), (3, 6858099), (9, 2286033), (27, 762011), (31, 663687), (47, 437751), (93, 221229), (141, 145917), (279, 73743), (423, 48639), (523, 39339), (837, 24581), (1269, 16213), (1457, 14121), (1569, 13113), (4371, 4707)]