20651410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2371}}^1$

素因数の和:2458

約数の個数: 32

約数和(自身を含む): 40646592

約数和(自身を除く): 19995182

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2371, 4355, 4742, 8710, 11855, 23710, 30823, 61646, 154115, 158857, 308230, 317714, 794285, 1588570, 2065141, 4130282, 10325705, 20651410]

約数ペア:

[(1, 20651410), (2, 10325705), (5, 4130282), (10, 2065141), (13, 1588570), (26, 794285), (65, 317714), (67, 308230), (130, 158857), (134, 154115), (335, 61646), (670, 30823), (871, 23710), (1742, 11855), (2371, 8710), (4355, 4742)]