20091401715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{1553}}^1$

素因数の和:2089

約数の個数: 128

約数和(自身を含む): 41933832192

約数和(自身を除く): 21842430477

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 55, 69, 77, 105, 115, 161, 165, 231, 253, 345, 385, 483, 487, 759, 805, 1155, 1265, 1461, 1553, 1771, 2415, 2435, 3409, 3795, 4659, 5313, 5357, 7305, 7765, 8855, 10227, 10871, 11201, 16071, 17045, 17083, 23295, 26565, 26785, 32613, 33603, 35719, 37499, 51135, 51249, 54355, 56005, 78407, 80355, 85415, 107157, 112497, 119581, 123211, 163065, 168015, 178595, 187495, 235221, 250033, 256245, 358743, 369633, 392035, 392909, 535785, 562485, 597905, 616055, 750099, 756311, 862477, 1176105, 1178727, 1250165, 1793715, 1848165, 1964545, 2268933, 2587431, 2750363, 3750495, 3781555, 4312385, 5294177, 5893635, 8251089, 8319421, 11344665, 12937155, 13751815, 15882531, 17395153, 24958263, 26470885, 41255445, 41597105, 52185459, 58235947, 79412655, 86975765, 121766071, 124791315, 174707841, 191346683, 260927295, 291179735, 365298213, 574040049, 608830355, 873539205, 956733415, 1339426781, 1826491065, 2870200245, 4018280343, 6697133905, 20091401715]

約数ペア:

[(1, 20091401715), (3, 6697133905), (5, 4018280343), (7, 2870200245), (11, 1826491065), (15, 1339426781), (21, 956733415), (23, 873539205), (33, 608830355), (35, 574040049), (55, 365298213), (69, 291179735), (77, 260927295), (105, 191346683), (115, 174707841), (161, 124791315), (165, 121766071), (231, 86975765), (253, 79412655), (345, 58235947), (385, 52185459), (483, 41597105), (487, 41255445), (759, 26470885), (805, 24958263), (1155, 17395153), (1265, 15882531), (1461, 13751815), (1553, 12937155), (1771, 11344665), (2415, 8319421), (2435, 8251089), (3409, 5893635), (3795, 5294177), (4659, 4312385), (5313, 3781555), (5357, 3750495), (7305, 2750363), (7765, 2587431), (8855, 2268933), (10227, 1964545), (10871, 1848165), (11201, 1793715), (16071, 1250165), (17045, 1178727), (17083, 1176105), (23295, 862477), (26565, 756311), (26785, 750099), (32613, 616055), (33603, 597905), (35719, 562485), (37499, 535785), (51135, 392909), (51249, 392035), (54355, 369633), (56005, 358743), (78407, 256245), (80355, 250033), (85415, 235221), (107157, 187495), (112497, 178595), (119581, 168015), (123211, 163065)]