20745296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9067}}^1$

素因数の和:9099

約数の個数: 40

約数和(自身を含む): 47226144

約数和(自身を除く): 26480848

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9067, 18134, 36268, 72536, 99737, 117871, 145072, 199474, 235742, 398948, 471484, 797896, 942968, 1296581, 1595792, 1885936, 2593162, 5186324, 10372648, 20745296]

約数ペア:

[(1, 20745296), (2, 10372648), (4, 5186324), (8, 2593162), (11, 1885936), (13, 1595792), (16, 1296581), (22, 942968), (26, 797896), (44, 471484), (52, 398948), (88, 235742), (104, 199474), (143, 145072), (176, 117871), (208, 99737), (286, 72536), (572, 36268), (1144, 18134), (2288, 9067)]