20263836

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 48875904

約数和(自身を除く): 28612068

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 173, 227, 258, 346, 454, 516, 519, 681, 692, 908, 1038, 1362, 2076, 2724, 7439, 9761, 14878, 19522, 22317, 29283, 29756, 39044, 39271, 44634, 58566, 78542, 89268, 117132, 117813, 157084, 235626, 471252, 1688653, 3377306, 5065959, 6754612, 10131918, 20263836]

約数ペア:

[(1, 20263836), (2, 10131918), (3, 6754612), (4, 5065959), (6, 3377306), (12, 1688653), (43, 471252), (86, 235626), (129, 157084), (172, 117813), (173, 117132), (227, 89268), (258, 78542), (346, 58566), (454, 44634), (516, 39271), (519, 39044), (681, 29756), (692, 29283), (908, 22317), (1038, 19522), (1362, 14878), (2076, 9761), (2724, 7439)]