20213048390

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1\times {\mathrm{11719}}^1$

素因数の和:12896

約数の個数: 32

約数和(自身を含む): 36633625920

約数和(自身を除く): 16420577530

約数列:

[1, 2, 5, 10, 173, 346, 865, 997, 1730, 1994, 4985, 9970, 11719, 23438, 58595, 117190, 172481, 344962, 862405, 1724810, 2027387, 4054774, 10136935, 11683843, 20273870, 23367686, 58419215, 116838430, 2021304839, 4042609678, 10106524195, 20213048390]

約数ペア:

[(1, 20213048390), (2, 10106524195), (5, 4042609678), (10, 2021304839), (173, 116838430), (346, 58419215), (865, 23367686), (997, 20273870), (1730, 11683843), (1994, 10136935), (4985, 4054774), (9970, 2027387), (11719, 1724810), (23438, 862405), (58595, 344962), (117190, 172481)]