20995008

素因数分解:

$2^6\times 3^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2601

約数の個数: 56

約数和(自身を含む): 56863488

約数和(自身を除く): 35868480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 129, 172, 192, 258, 344, 516, 688, 1032, 1376, 2064, 2543, 2752, 4128, 5086, 7629, 8256, 10172, 15258, 20344, 30516, 40688, 61032, 81376, 109349, 122064, 162752, 218698, 244128, 328047, 437396, 488256, 656094, 874792, 1312188, 1749584, 2624376, 3499168, 5248752, 6998336, 10497504, 20995008]

約数ペア:

[(1, 20995008), (2, 10497504), (3, 6998336), (4, 5248752), (6, 3499168), (8, 2624376), (12, 1749584), (16, 1312188), (24, 874792), (32, 656094), (43, 488256), (48, 437396), (64, 328047), (86, 244128), (96, 218698), (129, 162752), (172, 122064), (192, 109349), (258, 81376), (344, 61032), (516, 40688), (688, 30516), (1032, 20344), (1376, 15258), (2064, 10172), (2543, 8256), (2752, 7629), (4128, 5086)]