20199789780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{937}}^1\times {\mathrm{359299}}^1$

素因数の和:360248

約数の個数: 48

約数和(自身を含む): 56619931200

約数和(自身を除く): 36420141420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 937, 1874, 2811, 3748, 4685, 5622, 9370, 11244, 14055, 18740, 28110, 56220, 359299, 718598, 1077897, 1437196, 1796495, 2155794, 3592990, 4311588, 5389485, 7185980, 10778970, 21557940, 336663163, 673326326, 1009989489, 1346652652, 1683315815, 2019978978, 3366631630, 4039957956, 5049947445, 6733263260, 10099894890, 20199789780]

約数ペア:

[(1, 20199789780), (2, 10099894890), (3, 6733263260), (4, 5049947445), (5, 4039957956), (6, 3366631630), (10, 2019978978), (12, 1683315815), (15, 1346652652), (20, 1009989489), (30, 673326326), (60, 336663163), (937, 21557940), (1874, 10778970), (2811, 7185980), (3748, 5389485), (4685, 4311588), (5622, 3592990), (9370, 2155794), (11244, 1796495), (14055, 1437196), (18740, 1077897), (28110, 718598), (56220, 359299)]