20198984976

素因数分解:

$2^4\times 3^2\times {\mathrm{509}}^1\times {\mathrm{275581}}^1$

素因数の和:276104

約数の個数: 60

約数和(自身を含む): 56640368460

約数和(自身を除く): 36441383484

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 509, 1018, 1527, 2036, 3054, 4072, 4581, 6108, 8144, 9162, 12216, 18324, 24432, 36648, 73296, 275581, 551162, 826743, 1102324, 1653486, 2204648, 2480229, 3306972, 4409296, 4960458, 6613944, 9920916, 13227888, 19841832, 39683664, 140270729, 280541458, 420812187, 561082916, 841624374, 1122165832, 1262436561, 1683248748, 2244331664, 2524873122, 3366497496, 5049746244, 6732994992, 10099492488, 20198984976]

約数ペア:

[(1, 20198984976), (2, 10099492488), (3, 6732994992), (4, 5049746244), (6, 3366497496), (8, 2524873122), (9, 2244331664), (12, 1683248748), (16, 1262436561), (18, 1122165832), (24, 841624374), (36, 561082916), (48, 420812187), (72, 280541458), (144, 140270729), (509, 39683664), (1018, 19841832), (1527, 13227888), (2036, 9920916), (3054, 6613944), (4072, 4960458), (4581, 4409296), (6108, 3306972), (8144, 2480229), (9162, 2204648), (12216, 1653486), (18324, 1102324), (24432, 826743), (36648, 551162), (73296, 275581)]