20512120685

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{165041}}^1$

素因数の和:165173

約数の個数: 32

約数和(自身を含む): 29089642752

約数和(自身を除く): 8577522067

約数列:

[1, 5, 7, 35, 53, 67, 265, 335, 371, 469, 1855, 2345, 3551, 17755, 24857, 124285, 165041, 825205, 1155287, 5776435, 8747173, 11057747, 43735865, 55288735, 61230211, 77404229, 306151055, 387021145, 586060591, 2930302955, 4102424137, 20512120685]

約数ペア:

[(1, 20512120685), (5, 4102424137), (7, 2930302955), (35, 586060591), (53, 387021145), (67, 306151055), (265, 77404229), (335, 61230211), (371, 55288735), (469, 43735865), (1855, 11057747), (2345, 8747173), (3551, 5776435), (17755, 1155287), (24857, 825205), (124285, 165041)]