20921864260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8233}}^1\times {\mathrm{11551}}^1$

素因数の和:19804

約数の個数: 48

約数和(自身を含む): 47940060672

約数和(自身を除く): 27018196412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8233, 11551, 16466, 23102, 32932, 41165, 46204, 57755, 82330, 90563, 115510, 127061, 164660, 181126, 231020, 254122, 362252, 452815, 508244, 635305, 905630, 1270610, 1811260, 2541220, 95099383, 190198766, 380397532, 475496915, 950993830, 1046093213, 1901987660, 2092186426, 4184372852, 5230466065, 10460932130, 20921864260]

約数ペア:

[(1, 20921864260), (2, 10460932130), (4, 5230466065), (5, 4184372852), (10, 2092186426), (11, 1901987660), (20, 1046093213), (22, 950993830), (44, 475496915), (55, 380397532), (110, 190198766), (220, 95099383), (8233, 2541220), (11551, 1811260), (16466, 1270610), (23102, 905630), (32932, 635305), (41165, 508244), (46204, 452815), (57755, 362252), (82330, 254122), (90563, 231020), (115510, 181126), (127061, 164660)]