20189623640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4349}}^1\times {\mathrm{6827}}^1$

素因数の和:11204

約数の個数: 64

約数和(自身を含む): 48116916000

約数和(自身を除く): 27927292360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 4349, 6827, 8698, 13654, 17396, 21745, 27308, 34135, 34792, 43490, 54616, 68270, 73933, 86980, 116059, 136540, 147866, 173960, 232118, 273080, 295732, 369665, 464236, 580295, 591464, 739330, 928472, 1160590, 1478660, 2321180, 2957320, 4642360, 29690623, 59381246, 118762492, 148453115, 237524984, 296906230, 504740591, 593812460, 1009481182, 1187624920, 2018962364, 2523702955, 4037924728, 5047405910, 10094811820, 20189623640]

約数ペア:

[(1, 20189623640), (2, 10094811820), (4, 5047405910), (5, 4037924728), (8, 2523702955), (10, 2018962364), (17, 1187624920), (20, 1009481182), (34, 593812460), (40, 504740591), (68, 296906230), (85, 237524984), (136, 148453115), (170, 118762492), (340, 59381246), (680, 29690623), (4349, 4642360), (6827, 2957320), (8698, 2321180), (13654, 1478660), (17396, 1160590), (21745, 928472), (27308, 739330), (34135, 591464), (34792, 580295), (43490, 464236), (54616, 369665), (68270, 295732), (73933, 273080), (86980, 232118), (116059, 173960), (136540, 147866)]