20463648

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12539}}^1$

素因数の和:12569

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 36417792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12539, 25078, 37617, 50156, 75234, 100312, 150468, 200624, 213163, 300936, 401248, 426326, 601872, 639489, 852652, 1203744, 1278978, 1705304, 2557956, 3410608, 5115912, 6821216, 10231824, 20463648]

約数ペア:

[(1, 20463648), (2, 10231824), (3, 6821216), (4, 5115912), (6, 3410608), (8, 2557956), (12, 1705304), (16, 1278978), (17, 1203744), (24, 852652), (32, 639489), (34, 601872), (48, 426326), (51, 401248), (68, 300936), (96, 213163), (102, 200624), (136, 150468), (204, 100312), (272, 75234), (408, 50156), (544, 37617), (816, 25078), (1632, 12539)]