220850908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{10723}}^1$

素因数の和:11017

約数の個数: 24

約数和(自身を含む): 408369920

約数和(自身を除く): 187519012

約数列:

[1, 2, 4, 19, 38, 76, 271, 542, 1084, 5149, 10298, 10723, 20596, 21446, 42892, 203737, 407474, 814948, 2905933, 5811866, 11623732, 55212727, 110425454, 220850908]

約数ペア:

[(1, 220850908), (2, 110425454), (4, 55212727), (19, 11623732), (38, 5811866), (76, 2905933), (271, 814948), (542, 407474), (1084, 203737), (5149, 42892), (10298, 21446), (10723, 20596)]