20899608

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 53990400

約数和(自身を除く): 33090792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 79, 146, 151, 158, 219, 237, 292, 302, 316, 438, 453, 474, 584, 604, 632, 876, 906, 948, 1208, 1752, 1812, 1896, 3624, 5767, 11023, 11534, 11929, 17301, 22046, 23068, 23858, 33069, 34602, 35787, 44092, 46136, 47716, 66138, 69204, 71574, 88184, 95432, 132276, 138408, 143148, 264552, 286296, 870817, 1741634, 2612451, 3483268, 5224902, 6966536, 10449804, 20899608]

約数ペア:

[(1, 20899608), (2, 10449804), (3, 6966536), (4, 5224902), (6, 3483268), (8, 2612451), (12, 1741634), (24, 870817), (73, 286296), (79, 264552), (146, 143148), (151, 138408), (158, 132276), (219, 95432), (237, 88184), (292, 71574), (302, 69204), (316, 66138), (438, 47716), (453, 46136), (474, 44092), (584, 35787), (604, 34602), (632, 33069), (876, 23858), (906, 23068), (948, 22046), (1208, 17301), (1752, 11929), (1812, 11534), (1896, 11023), (3624, 5767)]