20731542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3967}}^1$

素因数の和:4052

約数の個数: 32

約数和(自身を含む): 45330432

約数和(自身を除く): 24598890

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 3967, 5226, 7934, 11901, 23802, 51571, 103142, 154713, 265789, 309426, 531578, 797367, 1594734, 3455257, 6910514, 10365771, 20731542]

約数ペア:

[(1, 20731542), (2, 10365771), (3, 6910514), (6, 3455257), (13, 1594734), (26, 797367), (39, 531578), (67, 309426), (78, 265789), (134, 154713), (201, 103142), (402, 51571), (871, 23802), (1742, 11901), (2613, 7934), (3967, 5226)]