220139854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{435059}}^1$

素因数の和:435095

約数の個数: 16

約数和(自身を含む): 375891840

約数和(自身を除く): 155751986

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 435059, 870118, 4785649, 9571298, 10006357, 20012714, 110069927, 220139854]

約数ペア:

[(1, 220139854), (2, 110069927), (11, 20012714), (22, 10006357), (23, 9571298), (46, 4785649), (253, 870118), (506, 435059)]