20158884

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9491}}^1$

素因数の和:9560

約数の個数: 36

約数和(自身を含む): 51826320

約数和(自身を除く): 31667436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9491, 18982, 28473, 37964, 56946, 85419, 113892, 170838, 341676, 559969, 1119938, 1679907, 2239876, 3359814, 5039721, 6719628, 10079442, 20158884]

約数ペア:

[(1, 20158884), (2, 10079442), (3, 6719628), (4, 5039721), (6, 3359814), (9, 2239876), (12, 1679907), (18, 1119938), (36, 559969), (59, 341676), (118, 170838), (177, 113892), (236, 85419), (354, 56946), (531, 37964), (708, 28473), (1062, 18982), (2124, 9491)]