20423360

素因数分解:

$2^6\times 5^1\times {\mathrm{63823}}^1$

素因数の和:63840

約数の個数: 28

約数和(自身を含む): 48633888

約数和(自身を除く): 28210528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63823, 127646, 255292, 319115, 510584, 638230, 1021168, 1276460, 2042336, 2552920, 4084672, 5105840, 10211680, 20423360]

約数ペア:

[(1, 20423360), (2, 10211680), (4, 5105840), (5, 4084672), (8, 2552920), (10, 2042336), (16, 1276460), (20, 1021168), (32, 638230), (40, 510584), (64, 319115), (80, 255292), (160, 127646), (320, 63823)]