20145210687

素因数分解:

$3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{890711}}^1$

素因数の和:891083

約数の個数: 24

約数和(自身を含む): 33348257280

約数和(自身を除く): 13203046593

約数列:

[1, 3, 7, 9, 21, 63, 359, 1077, 2513, 3231, 7539, 22617, 890711, 2672133, 6234977, 8016399, 18704931, 56114793, 319765249, 959295747, 2238356743, 2877887241, 6715070229, 20145210687]

約数ペア:

[(1, 20145210687), (3, 6715070229), (7, 2877887241), (9, 2238356743), (21, 959295747), (63, 319765249), (359, 56114793), (1077, 18704931), (2513, 8016399), (3231, 6234977), (7539, 2672133), (22617, 890711)]