20210497636

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{2663}}^1$

素因数の和:2873

約数の個数: 96

約数和(自身を含む): 42392125440

約数和(自身を除く): 22181627804

約数列:

[1, 2, 4, 7, 14, 28, 47, 73, 79, 94, 146, 158, 188, 292, 316, 329, 511, 553, 658, 1022, 1106, 1316, 2044, 2212, 2663, 3431, 3713, 5326, 5767, 6862, 7426, 10652, 11534, 13724, 14852, 18641, 23068, 24017, 25991, 37282, 40369, 48034, 51982, 74564, 80738, 96068, 103964, 125161, 161476, 194399, 210377, 250322, 271049, 388798, 420754, 500644, 542098, 777596, 841508, 876127, 1084196, 1360793, 1472639, 1752254, 1897343, 2721586, 2945278, 3504508, 3794686, 5443172, 5890556, 7589372, 9136753, 9887719, 15357521, 18273506, 19775438, 30715042, 36547012, 39550876, 61430084, 63957271, 69214033, 107502647, 127914542, 138428066, 215005294, 255829084, 276856132, 430010588, 721803487, 1443606974, 2887213948, 5052624409, 10105248818, 20210497636]

約数ペア:

[(1, 20210497636), (2, 10105248818), (4, 5052624409), (7, 2887213948), (14, 1443606974), (28, 721803487), (47, 430010588), (73, 276856132), (79, 255829084), (94, 215005294), (146, 138428066), (158, 127914542), (188, 107502647), (292, 69214033), (316, 63957271), (329, 61430084), (511, 39550876), (553, 36547012), (658, 30715042), (1022, 19775438), (1106, 18273506), (1316, 15357521), (2044, 9887719), (2212, 9136753), (2663, 7589372), (3431, 5890556), (3713, 5443172), (5326, 3794686), (5767, 3504508), (6862, 2945278), (7426, 2721586), (10652, 1897343), (11534, 1752254), (13724, 1472639), (14852, 1360793), (18641, 1084196), (23068, 876127), (24017, 841508), (25991, 777596), (37282, 542098), (40369, 500644), (48034, 420754), (51982, 388798), (74564, 271049), (80738, 250322), (96068, 210377), (103964, 194399), (125161, 161476)]