20765438088

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1\times {\mathrm{18433}}^1$

素因数の和:19158

約数の個数: 64

約数和(自身を含む): 52709442240

約数和(自身を除く): 31944004152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 643, 876, 1286, 1752, 1929, 2572, 3858, 5144, 7716, 15432, 18433, 36866, 46939, 55299, 73732, 93878, 110598, 140817, 147464, 187756, 221196, 281634, 375512, 442392, 563268, 1126536, 1345609, 2691218, 4036827, 5382436, 8073654, 10764872, 11852419, 16147308, 23704838, 32294616, 35557257, 47409676, 71114514, 94819352, 142229028, 284458056, 865226587, 1730453174, 2595679761, 3460906348, 5191359522, 6921812696, 10382719044, 20765438088]

約数ペア:

[(1, 20765438088), (2, 10382719044), (3, 6921812696), (4, 5191359522), (6, 3460906348), (8, 2595679761), (12, 1730453174), (24, 865226587), (73, 284458056), (146, 142229028), (219, 94819352), (292, 71114514), (438, 47409676), (584, 35557257), (643, 32294616), (876, 23704838), (1286, 16147308), (1752, 11852419), (1929, 10764872), (2572, 8073654), (3858, 5382436), (5144, 4036827), (7716, 2691218), (15432, 1345609), (18433, 1126536), (36866, 563268), (46939, 442392), (55299, 375512), (73732, 281634), (93878, 221196), (110598, 187756), (140817, 147464)]