20563935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1297}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 37880832

約数和(自身を除く): 17316897

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 755, 1057, 1297, 2265, 3171, 3891, 5285, 6485, 9079, 15855, 19455, 27237, 45395, 136185, 195847, 587541, 979235, 1370929, 2937705, 4112787, 6854645, 20563935]

約数ペア:

[(1, 20563935), (3, 6854645), (5, 4112787), (7, 2937705), (15, 1370929), (21, 979235), (35, 587541), (105, 195847), (151, 136185), (453, 45395), (755, 27237), (1057, 19455), (1297, 15855), (2265, 9079), (3171, 6485), (3891, 5285)]