20124908944

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^2\times {\mathrm{81343}}^1$

素因数の和:81452

約数の個数: 60

約数和(自身を含む): 45531165184

約数和(自身を除く): 25406256240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2209, 2632, 4418, 5264, 8836, 15463, 17672, 30926, 35344, 61852, 81343, 123704, 162686, 247408, 325372, 569401, 650744, 1138802, 1301488, 2277604, 3823121, 4555208, 7646242, 9110416, 15292484, 26761847, 30584968, 53523694, 61169936, 107047388, 179686687, 214094776, 359373374, 428189552, 718746748, 1257806809, 1437493496, 2515613618, 2874986992, 5031227236, 10062454472, 20124908944]

約数ペア:

[(1, 20124908944), (2, 10062454472), (4, 5031227236), (7, 2874986992), (8, 2515613618), (14, 1437493496), (16, 1257806809), (28, 718746748), (47, 428189552), (56, 359373374), (94, 214094776), (112, 179686687), (188, 107047388), (329, 61169936), (376, 53523694), (658, 30584968), (752, 26761847), (1316, 15292484), (2209, 9110416), (2632, 7646242), (4418, 4555208), (5264, 3823121), (8836, 2277604), (15463, 1301488), (17672, 1138802), (30926, 650744), (35344, 569401), (61852, 325372), (81343, 247408), (123704, 162686)]