20217508515

素因数分解:

$3^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{318863}}^1$

素因数の和:320283

約数の個数: 24

約数和(自身を含む): 35068662720

約数和(自身を除く): 14851154205

約数列:

[1, 3, 5, 9, 15, 45, 1409, 4227, 7045, 12681, 21135, 63405, 318863, 956589, 1594315, 2869767, 4782945, 14348835, 449277967, 1347833901, 2246389835, 4043501703, 6739169505, 20217508515]

約数ペア:

[(1, 20217508515), (3, 6739169505), (5, 4043501703), (9, 2246389835), (15, 1347833901), (45, 449277967), (1409, 14348835), (4227, 4782945), (7045, 2869767), (12681, 1594315), (21135, 956589), (63405, 318863)]