201922220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325681}}^1$

素因数の和:325721

約数の個数: 24

約数和(自身を含む): 437716608

約数和(自身を除く): 235794388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325681, 651362, 1302724, 1628405, 3256810, 6513620, 10096111, 20192222, 40384444, 50480555, 100961110, 201922220]

約数ペア:

[(1, 201922220), (2, 100961110), (4, 50480555), (5, 40384444), (10, 20192222), (20, 10096111), (31, 6513620), (62, 3256810), (124, 1628405), (155, 1302724), (310, 651362), (620, 325681)]