20374048

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 42007896

約数和(自身を除く): 21633848

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 82, 106, 164, 212, 293, 328, 424, 586, 656, 848, 1172, 1312, 1696, 2173, 2344, 4346, 4688, 8692, 9376, 12013, 15529, 17384, 24026, 31058, 34768, 48052, 62116, 69536, 96104, 124232, 192208, 248464, 384416, 496928, 636689, 1273378, 2546756, 5093512, 10187024, 20374048]

約数ペア:

[(1, 20374048), (2, 10187024), (4, 5093512), (8, 2546756), (16, 1273378), (32, 636689), (41, 496928), (53, 384416), (82, 248464), (106, 192208), (164, 124232), (212, 96104), (293, 69536), (328, 62116), (424, 48052), (586, 34768), (656, 31058), (848, 24026), (1172, 17384), (1312, 15529), (1696, 12013), (2173, 9376), (2344, 8692), (4346, 4688)]