20189869731

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{751}}^1\times {\mathrm{5441}}^1$

素因数の和:6265

約数の個数: 40

約数和(自身を含む): 30701064768

約数和(自身を除く): 10511195037

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 751, 1647, 2253, 4941, 5441, 6759, 16323, 20277, 45811, 48969, 60831, 137433, 146907, 331901, 412299, 440721, 995703, 1236897, 2987109, 3710691, 4086191, 8961327, 12258573, 26883981, 36775719, 110327157, 249257651, 330981471, 747772953, 2243318859, 6729956577, 20189869731]

約数ペア:

[(1, 20189869731), (3, 6729956577), (9, 2243318859), (27, 747772953), (61, 330981471), (81, 249257651), (183, 110327157), (549, 36775719), (751, 26883981), (1647, 12258573), (2253, 8961327), (4941, 4086191), (5441, 3710691), (6759, 2987109), (16323, 1236897), (20277, 995703), (45811, 440721), (48969, 412299), (60831, 331901), (137433, 146907)]