20331795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 15437805

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 745, 827, 1639, 2235, 2481, 4135, 4917, 8195, 9097, 12405, 24585, 27291, 45485, 123223, 136455, 369669, 616115, 1355453, 1848345, 4066359, 6777265, 20331795]

約数ペア:

[(1, 20331795), (3, 6777265), (5, 4066359), (11, 1848345), (15, 1355453), (33, 616115), (55, 369669), (149, 136455), (165, 123223), (447, 45485), (745, 27291), (827, 24585), (1639, 12405), (2235, 9097), (2481, 8195), (4135, 4917)]