20177003812

素因数分解:

$2^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:930

約数の個数: 96

約数和(自身を含む): 41846112000

約数和(自身を除く): 21669108188

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 343, 356, 373, 443, 623, 686, 746, 886, 1246, 1372, 1492, 1772, 2492, 2611, 3101, 4361, 5222, 6202, 8722, 10444, 12404, 17444, 18277, 21707, 30527, 33197, 36554, 39427, 43414, 61054, 66394, 73108, 78854, 86828, 122108, 127939, 132788, 151949, 157708, 165239, 232379, 255878, 275989, 303898, 330478, 464758, 511756, 551978, 607796, 660956, 929516, 1103956, 1156673, 1626653, 1931923, 2313346, 3253306, 3863846, 4626692, 6506612, 7727692, 8096711, 11386571, 13523461, 14706271, 16193422, 22773142, 27046922, 29412542, 32386844, 45546284, 54093844, 56676977, 58825084, 102943897, 113353954, 205887794, 226707908, 411775588, 720607279, 1441214558, 2882429116, 5044250953, 10088501906, 20177003812]

約数ペア:

[(1, 20177003812), (2, 10088501906), (4, 5044250953), (7, 2882429116), (14, 1441214558), (28, 720607279), (49, 411775588), (89, 226707908), (98, 205887794), (178, 113353954), (196, 102943897), (343, 58825084), (356, 56676977), (373, 54093844), (443, 45546284), (623, 32386844), (686, 29412542), (746, 27046922), (886, 22773142), (1246, 16193422), (1372, 14706271), (1492, 13523461), (1772, 11386571), (2492, 8096711), (2611, 7727692), (3101, 6506612), (4361, 4626692), (5222, 3863846), (6202, 3253306), (8722, 2313346), (10444, 1931923), (12404, 1626653), (17444, 1156673), (18277, 1103956), (21707, 929516), (30527, 660956), (33197, 607796), (36554, 551978), (39427, 511756), (43414, 464758), (61054, 330478), (66394, 303898), (73108, 275989), (78854, 255878), (86828, 232379), (122108, 165239), (127939, 157708), (132788, 151949)]