20802019918

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1\times {\mathrm{219463}}^1$

素因数の和:220119

約数の個数: 16

約数和(自身を含む): 31634418816

約数和(自身を除く): 10832398898

約数列:

[1, 2, 83, 166, 571, 1142, 47393, 94786, 219463, 438926, 18215429, 36430858, 125313373, 250626746, 10401009959, 20802019918]

約数ペア:

[(1, 20802019918), (2, 10401009959), (83, 250626746), (166, 125313373), (571, 36430858), (1142, 18215429), (47393, 438926), (94786, 219463)]