20171566328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{3461}}^1$

素因数の和:3900

約数の個数: 64

約数和(自身を含む): 39722711040

約数和(自身を除く): 19551144712

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 331, 568, 662, 1324, 2201, 2648, 3461, 4402, 6922, 8804, 10261, 13844, 17608, 20522, 23501, 27688, 41044, 47002, 82088, 94004, 107291, 188008, 214582, 245731, 429164, 491462, 728531, 858328, 982924, 1145591, 1457062, 1965848, 2291182, 2914124, 4582364, 5828248, 7617661, 9164728, 15235322, 30470644, 35513321, 60941288, 71026642, 81336961, 142053284, 162673922, 284106568, 325347844, 650695688, 2521445791, 5042891582, 10085783164, 20171566328]

約数ペア:

[(1, 20171566328), (2, 10085783164), (4, 5042891582), (8, 2521445791), (31, 650695688), (62, 325347844), (71, 284106568), (124, 162673922), (142, 142053284), (248, 81336961), (284, 71026642), (331, 60941288), (568, 35513321), (662, 30470644), (1324, 15235322), (2201, 9164728), (2648, 7617661), (3461, 5828248), (4402, 4582364), (6922, 2914124), (8804, 2291182), (10261, 1965848), (13844, 1457062), (17608, 1145591), (20522, 982924), (23501, 858328), (27688, 728531), (41044, 491462), (47002, 429164), (82088, 245731), (94004, 214582), (107291, 188008)]