20398158

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 48926592

約数和(自身を除く): 28528434

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1451, 1562, 2343, 2902, 4353, 4686, 7029, 8706, 13059, 14058, 15961, 26118, 31922, 47883, 95766, 103021, 143649, 206042, 287298, 309063, 618126, 927189, 1133231, 1854378, 2266462, 3399693, 6799386, 10199079, 20398158]

約数ペア:

[(1, 20398158), (2, 10199079), (3, 6799386), (6, 3399693), (9, 2266462), (11, 1854378), (18, 1133231), (22, 927189), (33, 618126), (66, 309063), (71, 287298), (99, 206042), (142, 143649), (198, 103021), (213, 95766), (426, 47883), (639, 31922), (781, 26118), (1278, 15961), (1451, 14058), (1562, 13059), (2343, 8706), (2902, 7029), (4353, 4686)]