20487393

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 30558528

約数和(自身を除く): 10071135

約数列:

[1, 3, 9, 43, 129, 167, 317, 387, 501, 951, 1503, 2853, 7181, 13631, 21543, 40893, 52939, 64629, 122679, 158817, 476451, 2276377, 6829131, 20487393]

約数ペア:

[(1, 20487393), (3, 6829131), (9, 2276377), (43, 476451), (129, 158817), (167, 122679), (317, 64629), (387, 52939), (501, 40893), (951, 21543), (1503, 13631), (2853, 7181)]