20531172

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5297}}^1$

素因数の和:5340

約数の個数: 48

約数和(自身を含む): 53403840

約数和(自身を除く): 32872668

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5297, 10594, 15891, 21188, 31782, 63564, 90049, 100643, 180098, 201286, 270147, 301929, 360196, 402572, 540294, 603858, 1080588, 1207716, 1710931, 3421862, 5132793, 6843724, 10265586, 20531172]

約数ペア:

[(1, 20531172), (2, 10265586), (3, 6843724), (4, 5132793), (6, 3421862), (12, 1710931), (17, 1207716), (19, 1080588), (34, 603858), (38, 540294), (51, 402572), (57, 360196), (68, 301929), (76, 270147), (102, 201286), (114, 180098), (204, 100643), (228, 90049), (323, 63564), (646, 31782), (969, 21188), (1292, 15891), (1938, 10594), (3876, 5297)]