20379624

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 52920000

約数和(自身を除く): 32540376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 139, 149, 164, 246, 278, 298, 328, 417, 447, 492, 556, 596, 834, 894, 984, 1112, 1192, 1668, 1788, 3336, 3576, 5699, 6109, 11398, 12218, 17097, 18327, 20711, 22796, 24436, 34194, 36654, 41422, 45592, 48872, 62133, 68388, 73308, 82844, 124266, 136776, 146616, 165688, 248532, 497064, 849151, 1698302, 2547453, 3396604, 5094906, 6793208, 10189812, 20379624]

約数ペア:

[(1, 20379624), (2, 10189812), (3, 6793208), (4, 5094906), (6, 3396604), (8, 2547453), (12, 1698302), (24, 849151), (41, 497064), (82, 248532), (123, 165688), (139, 146616), (149, 136776), (164, 124266), (246, 82844), (278, 73308), (298, 68388), (328, 62133), (417, 48872), (447, 45592), (492, 41422), (556, 36654), (596, 34194), (834, 24436), (894, 22796), (984, 20711), (1112, 18327), (1192, 17097), (1668, 12218), (1788, 11398), (3336, 6109), (3576, 5699)]