20929716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 57264480

約数和(自身を除く): 36334764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 827, 1332, 1406, 1654, 2109, 2481, 2812, 3308, 4218, 4962, 6327, 7443, 8436, 9924, 12654, 14886, 15713, 25308, 29772, 30599, 31426, 47139, 61198, 62852, 91797, 94278, 122396, 141417, 183594, 188556, 275391, 282834, 367188, 550782, 565668, 581381, 1101564, 1162762, 1744143, 2325524, 3488286, 5232429, 6976572, 10464858, 20929716]

約数ペア:

[(1, 20929716), (2, 10464858), (3, 6976572), (4, 5232429), (6, 3488286), (9, 2325524), (12, 1744143), (18, 1162762), (19, 1101564), (36, 581381), (37, 565668), (38, 550782), (57, 367188), (74, 282834), (76, 275391), (111, 188556), (114, 183594), (148, 141417), (171, 122396), (222, 94278), (228, 91797), (333, 62852), (342, 61198), (444, 47139), (666, 31426), (684, 30599), (703, 29772), (827, 25308), (1332, 15713), (1406, 14886), (1654, 12654), (2109, 9924), (2481, 8436), (2812, 7443), (3308, 6327), (4218, 4962)]