20137509992

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{1381}}^1\times {\mathrm{3581}}^1$

素因数の和:5477

約数の個数: 32

約数和(自身を含む): 37869978600

約数和(自身を除く): 17732468608

約数列:

[1, 2, 4, 8, 509, 1018, 1381, 2036, 2762, 3581, 4072, 5524, 7162, 11048, 14324, 28648, 702929, 1405858, 1822729, 2811716, 3645458, 4945361, 5623432, 7290916, 9890722, 14581832, 19781444, 39562888, 2517188749, 5034377498, 10068754996, 20137509992]

約数ペア:

[(1, 20137509992), (2, 10068754996), (4, 5034377498), (8, 2517188749), (509, 39562888), (1018, 19781444), (1381, 14581832), (2036, 9890722), (2762, 7290916), (3581, 5623432), (4072, 4945361), (5524, 3645458), (7162, 2811716), (11048, 1822729), (14324, 1405858), (28648, 702929)]