20808522

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55049}}^1$

素因数の和:55067

約数の個数: 32

約数和(自身を含む): 52848000

約数和(自身を除く): 32039478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55049, 110098, 165147, 330294, 385343, 495441, 770686, 990882, 1156029, 1486323, 2312058, 2972646, 3468087, 6936174, 10404261, 20808522]

約数ペア:

[(1, 20808522), (2, 10404261), (3, 6936174), (6, 3468087), (7, 2972646), (9, 2312058), (14, 1486323), (18, 1156029), (21, 990882), (27, 770686), (42, 495441), (54, 385343), (63, 330294), (126, 165147), (189, 110098), (378, 55049)]