20658090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 31274070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 97, 155, 186, 194, 229, 291, 310, 458, 465, 485, 582, 687, 930, 970, 1145, 1374, 1455, 2290, 2910, 3007, 3435, 6014, 6870, 7099, 9021, 14198, 15035, 18042, 21297, 22213, 30070, 35495, 42594, 44426, 45105, 66639, 70990, 90210, 106485, 111065, 133278, 212970, 222130, 333195, 666390, 688603, 1377206, 2065809, 3443015, 4131618, 6886030, 10329045, 20658090]

約数ペア:

[(1, 20658090), (2, 10329045), (3, 6886030), (5, 4131618), (6, 3443015), (10, 2065809), (15, 1377206), (30, 688603), (31, 666390), (62, 333195), (93, 222130), (97, 212970), (155, 133278), (186, 111065), (194, 106485), (229, 90210), (291, 70990), (310, 66639), (458, 45105), (465, 44426), (485, 42594), (582, 35495), (687, 30070), (930, 22213), (970, 21297), (1145, 18042), (1374, 15035), (1455, 14198), (2290, 9021), (2910, 7099), (3007, 6870), (3435, 6014)]