20151784581

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1879}}^1$

素因数の和:2186

約数の個数: 64

約数和(自身を含む): 30563205120

約数和(自身を除く): 10411420539

約数列:

[1, 3, 17, 23, 41, 51, 69, 123, 223, 391, 669, 697, 943, 1173, 1879, 2091, 2829, 3791, 5129, 5637, 9143, 11373, 15387, 16031, 27429, 31943, 43217, 48093, 77039, 87193, 95829, 129651, 155431, 210289, 231117, 261579, 419017, 466293, 630867, 734689, 1257051, 1309663, 1771897, 2204067, 3574913, 3928989, 5315691, 7123289, 9637391, 10724739, 17179697, 21369867, 28912173, 30122249, 51539091, 90366747, 163835647, 292054849, 395133031, 491506941, 876164547, 1185399093, 6717261527, 20151784581]

約数ペア:

[(1, 20151784581), (3, 6717261527), (17, 1185399093), (23, 876164547), (41, 491506941), (51, 395133031), (69, 292054849), (123, 163835647), (223, 90366747), (391, 51539091), (669, 30122249), (697, 28912173), (943, 21369867), (1173, 17179697), (1879, 10724739), (2091, 9637391), (2829, 7123289), (3791, 5315691), (5129, 3928989), (5637, 3574913), (9143, 2204067), (11373, 1771897), (15387, 1309663), (16031, 1257051), (27429, 734689), (31943, 630867), (43217, 466293), (48093, 419017), (77039, 261579), (87193, 231117), (95829, 210289), (129651, 155431)]