20962665

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5009}}^1$

素因数の和:5054

約数の個数: 32

約数和(自身を含む): 38476800

約数和(自身を除く): 17514135

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 5009, 15027, 25045, 45081, 75135, 135243, 155279, 225405, 465837, 676215, 776395, 1397511, 2329185, 4192533, 6987555, 20962665]

約数ペア:

[(1, 20962665), (3, 6987555), (5, 4192533), (9, 2329185), (15, 1397511), (27, 776395), (31, 676215), (45, 465837), (93, 225405), (135, 155279), (155, 135243), (279, 75135), (465, 45081), (837, 25045), (1395, 15027), (4185, 5009)]