20432820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11743}}^1$

素因数の和:11784

約数の個数: 48

約数和(自身を含む): 59189760

約数和(自身を除く): 38756940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11743, 23486, 35229, 46972, 58715, 70458, 117430, 140916, 176145, 234860, 340547, 352290, 681094, 704580, 1021641, 1362188, 1702735, 2043282, 3405470, 4086564, 5108205, 6810940, 10216410, 20432820]

約数ペア:

[(1, 20432820), (2, 10216410), (3, 6810940), (4, 5108205), (5, 4086564), (6, 3405470), (10, 2043282), (12, 1702735), (15, 1362188), (20, 1021641), (29, 704580), (30, 681094), (58, 352290), (60, 340547), (87, 234860), (116, 176145), (145, 140916), (174, 117430), (290, 70458), (348, 58715), (435, 46972), (580, 35229), (870, 23486), (1740, 11743)]