20921112820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22256503}}^1$

素因数の和:22256559

約数の個数: 24

約数和(自身を含む): 44869112064

約数和(自身を除く): 23947999244

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22256503, 44513006, 89026012, 111282515, 222565030, 445130060, 1046055641, 2092111282, 4184222564, 5230278205, 10460556410, 20921112820]

約数ペア:

[(1, 20921112820), (2, 10460556410), (4, 5230278205), (5, 4184222564), (10, 2092111282), (20, 1046055641), (47, 445130060), (94, 222565030), (188, 111282515), (235, 89026012), (470, 44513006), (940, 22256503)]