20407420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92761}}^1$

素因数の和:92781

約数の個数: 24

約数和(自身を含む): 46752048

約数和(自身を除く): 26344628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 92761, 185522, 371044, 463805, 927610, 1020371, 1855220, 2040742, 4081484, 5101855, 10203710, 20407420]

約数ペア:

[(1, 20407420), (2, 10203710), (4, 5101855), (5, 4081484), (10, 2040742), (11, 1855220), (20, 1020371), (22, 927610), (44, 463805), (55, 371044), (110, 185522), (220, 92761)]