20731034905

素因数分解:

$5^1\times 7^3\times {\mathrm{631}}^1\times {\mathrm{19157}}^1$

素因数の和:19814

約数の個数: 32

約数和(自身を含む): 29058854400

約数和(自身を除く): 8327819495

約数列:

[1, 5, 7, 35, 49, 245, 343, 631, 1715, 3155, 4417, 19157, 22085, 30919, 95785, 134099, 154595, 216433, 670495, 938693, 1082165, 4693465, 6570851, 12088067, 32854255, 60440335, 84616469, 423082345, 592315283, 2961576415, 4146206981, 20731034905]

約数ペア:

[(1, 20731034905), (5, 4146206981), (7, 2961576415), (35, 592315283), (49, 423082345), (245, 84616469), (343, 60440335), (631, 32854255), (1715, 12088067), (3155, 6570851), (4417, 4693465), (19157, 1082165), (22085, 938693), (30919, 670495), (95785, 216433), (134099, 154595)]