20192380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 46922400

約数和(自身を除く): 26730020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2099, 2405, 4198, 4810, 8396, 9620, 10495, 20990, 27287, 41980, 54574, 77663, 109148, 136435, 155326, 272870, 310652, 388315, 545740, 776630, 1009619, 1553260, 2019238, 4038476, 5048095, 10096190, 20192380]

約数ペア:

[(1, 20192380), (2, 10096190), (4, 5048095), (5, 4038476), (10, 2019238), (13, 1553260), (20, 1009619), (26, 776630), (37, 545740), (52, 388315), (65, 310652), (74, 272870), (130, 155326), (148, 136435), (185, 109148), (260, 77663), (370, 54574), (481, 41980), (740, 27287), (962, 20990), (1924, 10495), (2099, 9620), (2405, 8396), (4198, 4810)]