20221287775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2705189}}^1$

素因数の和:2705235

約数の個数: 24

約数和(自身を含む): 28177259040

約数和(自身を除く): 7955971265

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 7475, 2705189, 13525945, 35167457, 62219347, 67629725, 175837285, 311096735, 808851511, 879186425, 1555483675, 4044257555, 20221287775]

約数ペア:

[(1, 20221287775), (5, 4044257555), (13, 1555483675), (23, 879186425), (25, 808851511), (65, 311096735), (115, 175837285), (299, 67629725), (325, 62219347), (575, 35167457), (1495, 13525945), (7475, 2705189)]