20384113984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{790327}}^1$

素因数の和:790383

約数の個数: 56

約数和(自身を含む): 44966501888

約数和(自身を除く): 24582387904

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 25792, 790327, 1580654, 3161308, 6322616, 10274251, 12645232, 20548502, 24500137, 25290464, 41097004, 49000274, 50580928, 82194008, 98000548, 164388016, 196001096, 318501781, 328776032, 392002192, 637003562, 657552064, 784004384, 1274007124, 1568008768, 2548014248, 5096028496, 10192056992, 20384113984]

約数ペア:

[(1, 20384113984), (2, 10192056992), (4, 5096028496), (8, 2548014248), (13, 1568008768), (16, 1274007124), (26, 784004384), (31, 657552064), (32, 637003562), (52, 392002192), (62, 328776032), (64, 318501781), (104, 196001096), (124, 164388016), (208, 98000548), (248, 82194008), (403, 50580928), (416, 49000274), (496, 41097004), (806, 25290464), (832, 24500137), (992, 20548502), (1612, 12645232), (1984, 10274251), (3224, 6322616), (6448, 3161308), (12896, 1580654), (25792, 790327)]