20197951216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2888723}}^1$

素因数の和:2888773

約数の個数: 40

約数和(自身を含む): 42984213120

約数和(自身を除く): 22786261904

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 2888723, 5777446, 11554892, 23109784, 46219568, 54885737, 66440629, 109771474, 132881258, 219542948, 265762516, 439085896, 531525032, 878171792, 1063050064, 1262371951, 2524743902, 5049487804, 10098975608, 20197951216]

約数ペア:

[(1, 20197951216), (2, 10098975608), (4, 5049487804), (8, 2524743902), (16, 1262371951), (19, 1063050064), (23, 878171792), (38, 531525032), (46, 439085896), (76, 265762516), (92, 219542948), (152, 132881258), (184, 109771474), (304, 66440629), (368, 54885737), (437, 46219568), (874, 23109784), (1748, 11554892), (3496, 5777446), (6992, 2888723)]