20737618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2239}}^1$

素因数の和:2673

約数の個数: 16

約数和(自身を含む): 34030080

約数和(自身を除く): 13292462

約数列:

[1, 2, 11, 22, 421, 842, 2239, 4478, 4631, 9262, 24629, 49258, 942619, 1885238, 10368809, 20737618]

約数ペア:

[(1, 20737618), (2, 10368809), (11, 1885238), (22, 942619), (421, 49258), (842, 24629), (2239, 9262), (4478, 4631)]