20129868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{50833}}^1$

素因数の和:50854

約数の個数: 36

約数和(自身を含む): 55510728

約数和(自身を除く): 35380860

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 50833, 101666, 152499, 203332, 304998, 457497, 559163, 609996, 914994, 1118326, 1677489, 1829988, 2236652, 3354978, 5032467, 6709956, 10064934, 20129868]

約数ペア:

[(1, 20129868), (2, 10064934), (3, 6709956), (4, 5032467), (6, 3354978), (9, 2236652), (11, 1829988), (12, 1677489), (18, 1118326), (22, 914994), (33, 609996), (36, 559163), (44, 457497), (66, 304998), (99, 203332), (132, 152499), (198, 101666), (396, 50833)]