20851566376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{40231}}^1$

素因数の和:40394

約数の個数: 64

約数和(自身を含む): 42929153280

約数和(自身を除く): 22077586904

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 103, 136, 148, 206, 296, 412, 629, 824, 1258, 1751, 2516, 3502, 3811, 5032, 7004, 7622, 14008, 15244, 30488, 40231, 64787, 80462, 129574, 160924, 259148, 321848, 518296, 683927, 1367854, 1488547, 2735708, 2977094, 4143793, 5471416, 5954188, 8287586, 11908376, 16575172, 25305299, 33150344, 50610598, 70444481, 101221196, 140888962, 153320341, 202442392, 281777924, 306640682, 563555848, 613281364, 1226562728, 2606445797, 5212891594, 10425783188, 20851566376]

約数ペア:

[(1, 20851566376), (2, 10425783188), (4, 5212891594), (8, 2606445797), (17, 1226562728), (34, 613281364), (37, 563555848), (68, 306640682), (74, 281777924), (103, 202442392), (136, 153320341), (148, 140888962), (206, 101221196), (296, 70444481), (412, 50610598), (629, 33150344), (824, 25305299), (1258, 16575172), (1751, 11908376), (2516, 8287586), (3502, 5954188), (3811, 5471416), (5032, 4143793), (7004, 2977094), (7622, 2735708), (14008, 1488547), (15244, 1367854), (30488, 683927), (40231, 518296), (64787, 321848), (80462, 259148), (129574, 160924)]