20994072

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 57663360

約数和(自身を除く): 36669288

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 281, 283, 562, 566, 843, 849, 1124, 1132, 1686, 1698, 2248, 2264, 3091, 3113, 3372, 3396, 6182, 6226, 6744, 6792, 9273, 9339, 12364, 12452, 18546, 18678, 24728, 24904, 37092, 37356, 74184, 74712, 79523, 159046, 238569, 318092, 477138, 636184, 874753, 954276, 1749506, 1908552, 2624259, 3499012, 5248518, 6998024, 10497036, 20994072]

約数ペア:

[(1, 20994072), (2, 10497036), (3, 6998024), (4, 5248518), (6, 3499012), (8, 2624259), (11, 1908552), (12, 1749506), (22, 954276), (24, 874753), (33, 636184), (44, 477138), (66, 318092), (88, 238569), (132, 159046), (264, 79523), (281, 74712), (283, 74184), (562, 37356), (566, 37092), (843, 24904), (849, 24728), (1124, 18678), (1132, 18546), (1686, 12452), (1698, 12364), (2248, 9339), (2264, 9273), (3091, 6792), (3113, 6744), (3372, 6226), (3396, 6182)]