20431981020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30957547}}^1$

素因数の和:30957570

約数の個数: 48

約数和(自身を含む): 62410416768

約数和(自身を除く): 41978435748

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30957547, 61915094, 92872641, 123830188, 154787735, 185745282, 309575470, 340533017, 371490564, 464363205, 619150940, 681066034, 928726410, 1021599051, 1362132068, 1702665085, 1857452820, 2043198102, 3405330170, 4086396204, 5107995255, 6810660340, 10215990510, 20431981020]

約数ペア:

[(1, 20431981020), (2, 10215990510), (3, 6810660340), (4, 5107995255), (5, 4086396204), (6, 3405330170), (10, 2043198102), (11, 1857452820), (12, 1702665085), (15, 1362132068), (20, 1021599051), (22, 928726410), (30, 681066034), (33, 619150940), (44, 464363205), (55, 371490564), (60, 340533017), (66, 309575470), (110, 185745282), (132, 154787735), (165, 123830188), (220, 92872641), (330, 61915094), (660, 30957547)]