20986284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{919}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 53786880

約数和(自身を除く): 32800596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 173, 346, 519, 692, 919, 1038, 1838, 1903, 2076, 2757, 3676, 3806, 5514, 5709, 7612, 10109, 11028, 11418, 20218, 22836, 30327, 40436, 60654, 121308, 158987, 317974, 476961, 635948, 953922, 1748857, 1907844, 3497714, 5246571, 6995428, 10493142, 20986284]

約数ペア:

[(1, 20986284), (2, 10493142), (3, 6995428), (4, 5246571), (6, 3497714), (11, 1907844), (12, 1748857), (22, 953922), (33, 635948), (44, 476961), (66, 317974), (132, 158987), (173, 121308), (346, 60654), (519, 40436), (692, 30327), (919, 22836), (1038, 20218), (1838, 11418), (1903, 11028), (2076, 10109), (2757, 7612), (3676, 5709), (3806, 5514)]