20316774

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 43877232

約数和(自身を除く): 23560458

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 173, 222, 346, 519, 529, 851, 1038, 1058, 1587, 1702, 2553, 3174, 3979, 5106, 6401, 7958, 11937, 12802, 19203, 19573, 23874, 38406, 39146, 58719, 91517, 117438, 147223, 183034, 274551, 294446, 441669, 549102, 883338, 3386129, 6772258, 10158387, 20316774]

約数ペア:

[(1, 20316774), (2, 10158387), (3, 6772258), (6, 3386129), (23, 883338), (37, 549102), (46, 441669), (69, 294446), (74, 274551), (111, 183034), (138, 147223), (173, 117438), (222, 91517), (346, 58719), (519, 39146), (529, 38406), (851, 23874), (1038, 19573), (1058, 19203), (1587, 12802), (1702, 11937), (2553, 7958), (3174, 6401), (3979, 5106)]