20155704895

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1033}}^1\times {\mathrm{1051}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 25062174720

約数和(自身を除く): 4906469825

約数列:

[1, 5, 47, 79, 235, 395, 1033, 1051, 3713, 5165, 5255, 18565, 48551, 49397, 81607, 83029, 242755, 246985, 408035, 415145, 1085683, 3835529, 3902363, 5428415, 19177645, 19511815, 51027101, 85768957, 255135505, 428844785, 4031140979, 20155704895]

約数ペア:

[(1, 20155704895), (5, 4031140979), (47, 428844785), (79, 255135505), (235, 85768957), (395, 51027101), (1033, 19511815), (1051, 19177645), (3713, 5428415), (5165, 3902363), (5255, 3835529), (18565, 1085683), (48551, 415145), (49397, 408035), (81607, 246985), (83029, 242755)]