20213227965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{81883}}^1$

素因数の和:84249

約数の個数: 32

約数和(自身を含む): 36977504256

約数和(自身を除く): 16764276291

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 2351, 7053, 11755, 16457, 35265, 49371, 81883, 82285, 245649, 246855, 409415, 573181, 1228245, 1719543, 2865905, 8597715, 192506933, 577520799, 962534665, 1347548531, 2887603995, 4042645593, 6737742655, 20213227965]

約数ペア:

[(1, 20213227965), (3, 6737742655), (5, 4042645593), (7, 2887603995), (15, 1347548531), (21, 962534665), (35, 577520799), (105, 192506933), (2351, 8597715), (7053, 2865905), (11755, 1719543), (16457, 1228245), (35265, 573181), (49371, 409415), (81883, 246855), (82285, 245649)]