20325537

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 10562463

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 659, 1341, 1977, 3427, 5931, 10281, 15157, 30843, 45471, 98191, 136413, 294573, 883719, 2258393, 6775179, 20325537]

約数ペア:

[(1, 20325537), (3, 6775179), (9, 2258393), (23, 883719), (69, 294573), (149, 136413), (207, 98191), (447, 45471), (659, 30843), (1341, 15157), (1977, 10281), (3427, 5931)]