20219024

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 27777904

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 47, 56, 92, 94, 112, 161, 167, 184, 188, 322, 329, 334, 368, 376, 644, 658, 668, 752, 1081, 1169, 1288, 1316, 1336, 2162, 2338, 2576, 2632, 2672, 3841, 4324, 4676, 5264, 7567, 7682, 7849, 8648, 9352, 15134, 15364, 15698, 17296, 18704, 26887, 30268, 30728, 31396, 53774, 54943, 60536, 61456, 62792, 107548, 109886, 121072, 125584, 180527, 215096, 219772, 361054, 430192, 439544, 722108, 879088, 1263689, 1444216, 2527378, 2888432, 5054756, 10109512, 20219024]

約数ペア:

[(1, 20219024), (2, 10109512), (4, 5054756), (7, 2888432), (8, 2527378), (14, 1444216), (16, 1263689), (23, 879088), (28, 722108), (46, 439544), (47, 430192), (56, 361054), (92, 219772), (94, 215096), (112, 180527), (161, 125584), (167, 121072), (184, 109886), (188, 107548), (322, 62792), (329, 61456), (334, 60536), (368, 54943), (376, 53774), (644, 31396), (658, 30728), (668, 30268), (752, 26887), (1081, 18704), (1169, 17296), (1288, 15698), (1316, 15364), (1336, 15134), (2162, 9352), (2338, 8648), (2576, 7849), (2632, 7682), (2672, 7567), (3841, 5264), (4324, 4676)]