20487352

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 39275280

約数和(自身を除く): 18787928

約数列:

[1, 2, 4, 8, 113, 131, 173, 226, 262, 346, 452, 524, 692, 904, 1048, 1384, 14803, 19549, 22663, 29606, 39098, 45326, 59212, 78196, 90652, 118424, 156392, 181304, 2560919, 5121838, 10243676, 20487352]

約数ペア:

[(1, 20487352), (2, 10243676), (4, 5121838), (8, 2560919), (113, 181304), (131, 156392), (173, 118424), (226, 90652), (262, 78196), (346, 59212), (452, 45326), (524, 39098), (692, 29606), (904, 22663), (1048, 19549), (1384, 14803)]