20219612

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 43028160

約数和(自身を除く): 22808548

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 673, 812, 1036, 1073, 1346, 2146, 2692, 4292, 4711, 7511, 9422, 15022, 18844, 19517, 24901, 30044, 39034, 49802, 78068, 99604, 136619, 174307, 273238, 348614, 546476, 697228, 722129, 1444258, 2888516, 5054903, 10109806, 20219612]

約数ペア:

[(1, 20219612), (2, 10109806), (4, 5054903), (7, 2888516), (14, 1444258), (28, 722129), (29, 697228), (37, 546476), (58, 348614), (74, 273238), (116, 174307), (148, 136619), (203, 99604), (259, 78068), (406, 49802), (518, 39034), (673, 30044), (812, 24901), (1036, 19517), (1073, 18844), (1346, 15022), (2146, 9422), (2692, 7511), (4292, 4711)]