20567710

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 38117952

約数和(自身を除く): 17550242

約数列:

[1, 2, 5, 10, 53, 106, 151, 257, 265, 302, 514, 530, 755, 1285, 1510, 2570, 8003, 13621, 16006, 27242, 38807, 40015, 68105, 77614, 80030, 136210, 194035, 388070, 2056771, 4113542, 10283855, 20567710]

約数ペア:

[(1, 20567710), (2, 10283855), (5, 4113542), (10, 2056771), (53, 388070), (106, 194035), (151, 136210), (257, 80030), (265, 77614), (302, 68105), (514, 40015), (530, 38807), (755, 27242), (1285, 16006), (1510, 13621), (2570, 8003)]