20153005817

素因数分解:

$7^3\times {\mathrm{83}}^1\times {\mathrm{457}}^1\times {\mathrm{1549}}^1$

素因数の和:2110

約数の個数: 32

約数和(自身を含む): 23852640000

約数和(自身を除く): 3699634183

約数列:

[1, 7, 49, 83, 343, 457, 581, 1549, 3199, 4067, 10843, 22393, 28469, 37931, 75901, 128567, 156751, 265517, 531307, 707893, 899969, 1858619, 4955251, 6299783, 13010333, 34686757, 44098481, 58755119, 242807299, 411285833, 2879000831, 20153005817]

約数ペア:

[(1, 20153005817), (7, 2879000831), (49, 411285833), (83, 242807299), (343, 58755119), (457, 44098481), (581, 34686757), (1549, 13010333), (3199, 6299783), (4067, 4955251), (10843, 1858619), (22393, 899969), (28469, 707893), (37931, 531307), (75901, 265517), (128567, 156751)]