20188127980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2833}}^1\times {\mathrm{20959}}^1$

素因数の和:23818

約数の個数: 48

約数和(自身を含む): 44906883840

約数和(自身を除く): 24718755860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2833, 5666, 11332, 14165, 20959, 28330, 41918, 48161, 56660, 83836, 96322, 104795, 192644, 209590, 240805, 356303, 419180, 481610, 712606, 963220, 1425212, 1781515, 3563030, 7126060, 59376847, 118753694, 237507388, 296884235, 593768470, 1009406399, 1187536940, 2018812798, 4037625596, 5047031995, 10094063990, 20188127980]

約数ペア:

[(1, 20188127980), (2, 10094063990), (4, 5047031995), (5, 4037625596), (10, 2018812798), (17, 1187536940), (20, 1009406399), (34, 593768470), (68, 296884235), (85, 237507388), (170, 118753694), (340, 59376847), (2833, 7126060), (5666, 3563030), (11332, 1781515), (14165, 1425212), (20959, 963220), (28330, 712606), (41918, 481610), (48161, 419180), (56660, 356303), (83836, 240805), (96322, 209590), (104795, 192644)]