20386020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8287}}^1$

素因数の和:8340

約数の個数: 48

約数和(自身を含む): 58480128

約数和(自身を除く): 38094108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8287, 16574, 24861, 33148, 41435, 49722, 82870, 99444, 124305, 165740, 248610, 339767, 497220, 679534, 1019301, 1359068, 1698835, 2038602, 3397670, 4077204, 5096505, 6795340, 10193010, 20386020]

約数ペア:

[(1, 20386020), (2, 10193010), (3, 6795340), (4, 5096505), (5, 4077204), (6, 3397670), (10, 2038602), (12, 1698835), (15, 1359068), (20, 1019301), (30, 679534), (41, 497220), (60, 339767), (82, 248610), (123, 165740), (164, 124305), (205, 99444), (246, 82870), (410, 49722), (492, 41435), (615, 33148), (820, 24861), (1230, 16574), (2460, 8287)]