20584496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 42092544

約数和(自身を除く): 21508048

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 188, 248, 376, 496, 752, 883, 1457, 1766, 2914, 3532, 5828, 7064, 11656, 14128, 23312, 27373, 41501, 54746, 83002, 109492, 166004, 218984, 332008, 437968, 664016, 1286531, 2573062, 5146124, 10292248, 20584496]

約数ペア:

[(1, 20584496), (2, 10292248), (4, 5146124), (8, 2573062), (16, 1286531), (31, 664016), (47, 437968), (62, 332008), (94, 218984), (124, 166004), (188, 109492), (248, 83002), (376, 54746), (496, 41501), (752, 27373), (883, 23312), (1457, 14128), (1766, 11656), (2914, 7064), (3532, 5828)]