20098530

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{919}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 54316800

約数和(自身を除く): 34218270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 919, 1215, 1458, 1838, 2187, 2430, 2757, 3645, 4374, 4595, 5514, 7290, 8271, 9190, 10935, 13785, 16542, 21870, 24813, 27570, 41355, 49626, 74439, 82710, 124065, 148878, 223317, 248130, 372195, 446634, 669951, 744390, 1116585, 1339902, 2009853, 2233170, 3349755, 4019706, 6699510, 10049265, 20098530]

約数ペア:

[(1, 20098530), (2, 10049265), (3, 6699510), (5, 4019706), (6, 3349755), (9, 2233170), (10, 2009853), (15, 1339902), (18, 1116585), (27, 744390), (30, 669951), (45, 446634), (54, 372195), (81, 248130), (90, 223317), (135, 148878), (162, 124065), (243, 82710), (270, 74439), (405, 49626), (486, 41355), (729, 27570), (810, 24813), (919, 21870), (1215, 16542), (1458, 13785), (1838, 10935), (2187, 9190), (2430, 8271), (2757, 7290), (3645, 5514), (4374, 4595)]