20194307649

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{3863}}^1$

素因数の和:4398

約数の個数: 48

約数和(自身を含む): 30920408064

約数和(自身を除く): 10726100415

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 457, 1271, 1371, 3813, 3863, 4113, 11439, 11589, 14167, 18737, 34767, 42501, 56211, 119753, 127503, 158383, 168633, 359259, 475149, 580847, 1077777, 1425447, 1742541, 1765391, 4909873, 5227623, 5296173, 14729619, 15888519, 44188857, 54727121, 72381031, 164181363, 217143093, 492544089, 651429279, 2243811961, 6731435883, 20194307649]

約数ペア:

[(1, 20194307649), (3, 6731435883), (9, 2243811961), (31, 651429279), (41, 492544089), (93, 217143093), (123, 164181363), (279, 72381031), (369, 54727121), (457, 44188857), (1271, 15888519), (1371, 14729619), (3813, 5296173), (3863, 5227623), (4113, 4909873), (11439, 1765391), (11589, 1742541), (14167, 1425447), (18737, 1077777), (34767, 580847), (42501, 475149), (56211, 359259), (119753, 168633), (127503, 158383)]