20788026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2861}}^1$

素因数の和:3046

約数の個数: 32

約数和(自身を含む): 47806848

約数和(自身を除く): 27018822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2861, 3633, 5722, 7266, 8583, 17166, 20027, 40054, 60081, 120162, 494953, 989906, 1484859, 2969718, 3464671, 6929342, 10394013, 20788026]

約数ペア:

[(1, 20788026), (2, 10394013), (3, 6929342), (6, 3464671), (7, 2969718), (14, 1484859), (21, 989906), (42, 494953), (173, 120162), (346, 60081), (519, 40054), (1038, 20027), (1211, 17166), (2422, 8583), (2861, 7266), (3633, 5722)]