20852130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 54448128

約数和(自身を除く): 33595998

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 195, 254, 381, 390, 421, 635, 762, 842, 1263, 1270, 1651, 1905, 2105, 2526, 3302, 3810, 4210, 4953, 5473, 6315, 8255, 9906, 10946, 12630, 16419, 16510, 24765, 27365, 32838, 49530, 53467, 54730, 82095, 106934, 160401, 164190, 267335, 320802, 534670, 695071, 802005, 1390142, 1604010, 2085213, 3475355, 4170426, 6950710, 10426065, 20852130]

約数ペア:

[(1, 20852130), (2, 10426065), (3, 6950710), (5, 4170426), (6, 3475355), (10, 2085213), (13, 1604010), (15, 1390142), (26, 802005), (30, 695071), (39, 534670), (65, 320802), (78, 267335), (127, 164190), (130, 160401), (195, 106934), (254, 82095), (381, 54730), (390, 53467), (421, 49530), (635, 32838), (762, 27365), (842, 24765), (1263, 16510), (1270, 16419), (1651, 12630), (1905, 10946), (2105, 9906), (2526, 8255), (3302, 6315), (3810, 5473), (4210, 4953)]