20512114924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{165479}}^1$

素因数の和:165742

約数の個数: 48

約数和(自身を含む): 43368998400

約数和(自身を除く): 22856883476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 233, 266, 466, 532, 932, 1631, 3262, 4427, 6524, 8854, 17708, 30989, 61978, 123956, 165479, 330958, 661916, 1158353, 2316706, 3144101, 4633412, 6288202, 12576404, 22008707, 38556607, 44017414, 77113214, 88034828, 154226428, 269896249, 539792498, 732575533, 1079584996, 1465151066, 2930302132, 5128028731, 10256057462, 20512114924]

約数ペア:

[(1, 20512114924), (2, 10256057462), (4, 5128028731), (7, 2930302132), (14, 1465151066), (19, 1079584996), (28, 732575533), (38, 539792498), (76, 269896249), (133, 154226428), (233, 88034828), (266, 77113214), (466, 44017414), (532, 38556607), (932, 22008707), (1631, 12576404), (3262, 6288202), (4427, 4633412), (6524, 3144101), (8854, 2316706), (17708, 1158353), (30989, 661916), (61978, 330958), (123956, 165479)]