20544244

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 45832640

約数和(自身を除く): 25288396

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 73, 76, 92, 133, 146, 161, 266, 292, 322, 437, 511, 529, 532, 644, 874, 1022, 1058, 1387, 1679, 1748, 2044, 2116, 2774, 3059, 3358, 3703, 5548, 6118, 6716, 7406, 9709, 10051, 11753, 12236, 14812, 19418, 20102, 23506, 31901, 38617, 38836, 40204, 47012, 63802, 70357, 77234, 127604, 140714, 154468, 223307, 270319, 281428, 446614, 540638, 733723, 893228, 1081276, 1467446, 2934892, 5136061, 10272122, 20544244]

約数ペア:

[(1, 20544244), (2, 10272122), (4, 5136061), (7, 2934892), (14, 1467446), (19, 1081276), (23, 893228), (28, 733723), (38, 540638), (46, 446614), (73, 281428), (76, 270319), (92, 223307), (133, 154468), (146, 140714), (161, 127604), (266, 77234), (292, 70357), (322, 63802), (437, 47012), (511, 40204), (529, 38836), (532, 38617), (644, 31901), (874, 23506), (1022, 20102), (1058, 19418), (1387, 14812), (1679, 12236), (1748, 11753), (2044, 10051), (2116, 9709), (2774, 7406), (3059, 6716), (3358, 6118), (3703, 5548)]