20565648639

素因数分解:

$3^2\times {\mathrm{331}}^1\times {\mathrm{2539}}^1\times {\mathrm{2719}}^1$

素因数の和:5595

約数の個数: 24

約数和(自身を含む): 29818380800

約数和(自身を除く): 9252732161

約数列:

[1, 3, 9, 331, 993, 2539, 2719, 2979, 7617, 8157, 22851, 24471, 840409, 899989, 2521227, 2699967, 6903541, 7563681, 8099901, 20710623, 62131869, 2285072071, 6855216213, 20565648639]

約数ペア:

[(1, 20565648639), (3, 6855216213), (9, 2285072071), (331, 62131869), (993, 20710623), (2539, 8099901), (2719, 7563681), (2979, 6903541), (7617, 2699967), (8157, 2521227), (22851, 899989), (24471, 840409)]