20345523

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 32029440

約数和(自身を除く): 11683917

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 877, 1221, 2109, 2631, 7733, 9647, 16663, 23199, 28941, 32449, 49989, 97347, 183293, 356939, 549879, 616531, 1070817, 1849593, 6781841, 20345523]

約数ペア:

[(1, 20345523), (3, 6781841), (11, 1849593), (19, 1070817), (33, 616531), (37, 549879), (57, 356939), (111, 183293), (209, 97347), (407, 49989), (627, 32449), (703, 28941), (877, 23199), (1221, 16663), (2109, 9647), (2631, 7733)]