20806737140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1\times {\mathrm{2423}}^1$

素因数の和:3261

約数の個数: 96

約数和(自身を含む): 50627082240

約数和(自身を除く): 29820345100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 739, 830, 1162, 1478, 1660, 2324, 2423, 2905, 2956, 3695, 4846, 5173, 5810, 7390, 9692, 10346, 11620, 12115, 14780, 16961, 20692, 24230, 25865, 33922, 48460, 51730, 61337, 67844, 84805, 103460, 122674, 169610, 201109, 245348, 306685, 339220, 402218, 429359, 613370, 804436, 858718, 1005545, 1226740, 1407763, 1717436, 1790597, 2011090, 2146795, 2815526, 3581194, 4022180, 4293590, 5631052, 7038815, 7162388, 8587180, 8952985, 12534179, 14077630, 17905970, 25068358, 28155260, 35811940, 50136716, 62670895, 125341790, 148619551, 250683580, 297239102, 594478204, 743097755, 1040336857, 1486195510, 2080673714, 2972391020, 4161347428, 5201684285, 10403368570, 20806737140]

約数ペア:

[(1, 20806737140), (2, 10403368570), (4, 5201684285), (5, 4161347428), (7, 2972391020), (10, 2080673714), (14, 1486195510), (20, 1040336857), (28, 743097755), (35, 594478204), (70, 297239102), (83, 250683580), (140, 148619551), (166, 125341790), (332, 62670895), (415, 50136716), (581, 35811940), (739, 28155260), (830, 25068358), (1162, 17905970), (1478, 14077630), (1660, 12534179), (2324, 8952985), (2423, 8587180), (2905, 7162388), (2956, 7038815), (3695, 5631052), (4846, 4293590), (5173, 4022180), (5810, 3581194), (7390, 2815526), (9692, 2146795), (10346, 2011090), (11620, 1790597), (12115, 1717436), (14780, 1407763), (16961, 1226740), (20692, 1005545), (24230, 858718), (25865, 804436), (33922, 613370), (48460, 429359), (51730, 402218), (61337, 339220), (67844, 306685), (84805, 245348), (103460, 201109), (122674, 169610)]