20477712

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 56067840

約数和(自身を除く): 35590128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 47, 48, 58, 87, 94, 116, 141, 174, 188, 232, 282, 313, 348, 376, 464, 564, 626, 696, 752, 939, 1128, 1252, 1363, 1392, 1878, 2256, 2504, 2726, 3756, 4089, 5008, 5452, 7512, 8178, 9077, 10904, 14711, 15024, 16356, 18154, 21808, 27231, 29422, 32712, 36308, 44133, 54462, 58844, 65424, 72616, 88266, 108924, 117688, 145232, 176532, 217848, 235376, 353064, 426619, 435696, 706128, 853238, 1279857, 1706476, 2559714, 3412952, 5119428, 6825904, 10238856, 20477712]

約数ペア:

[(1, 20477712), (2, 10238856), (3, 6825904), (4, 5119428), (6, 3412952), (8, 2559714), (12, 1706476), (16, 1279857), (24, 853238), (29, 706128), (47, 435696), (48, 426619), (58, 353064), (87, 235376), (94, 217848), (116, 176532), (141, 145232), (174, 117688), (188, 108924), (232, 88266), (282, 72616), (313, 65424), (348, 58844), (376, 54462), (464, 44133), (564, 36308), (626, 32712), (696, 29422), (752, 27231), (939, 21808), (1128, 18154), (1252, 16356), (1363, 15024), (1392, 14711), (1878, 10904), (2256, 9077), (2504, 8178), (2726, 7512), (3756, 5452), (4089, 5008)]