20105693907

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 29816640000

約数和(自身を除く): 9710946093

約数列:

[1, 3, 13, 39, 59, 149, 169, 177, 347, 447, 507, 767, 1041, 1937, 2197, 2301, 4511, 5811, 6591, 8791, 9971, 13533, 20473, 25181, 26373, 29913, 51703, 58643, 61419, 75543, 114283, 129623, 155109, 175929, 266149, 327353, 342849, 388869, 672139, 762359, 798447, 982059, 1485679, 2016417, 2287077, 3050477, 3459937, 4457037, 8737807, 9151431, 10379811, 19313827, 26213421, 39656201, 44979181, 57941481, 113591491, 118968603, 134937543, 340774473, 515530613, 1546591839, 6701897969, 20105693907]

約数ペア:

[(1, 20105693907), (3, 6701897969), (13, 1546591839), (39, 515530613), (59, 340774473), (149, 134937543), (169, 118968603), (177, 113591491), (347, 57941481), (447, 44979181), (507, 39656201), (767, 26213421), (1041, 19313827), (1937, 10379811), (2197, 9151431), (2301, 8737807), (4511, 4457037), (5811, 3459937), (6591, 3050477), (8791, 2287077), (9971, 2016417), (13533, 1485679), (20473, 982059), (25181, 798447), (26373, 762359), (29913, 672139), (51703, 388869), (58643, 342849), (61419, 327353), (75543, 266149), (114283, 175929), (129623, 155109)]