20219205055

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1\times {\mathrm{20921}}^1$

素因数の和:21507

約数の個数: 32

約数和(自身を含む): 28307968128

約数和(自身を除く): 8088763073

約数列:

[1, 5, 7, 35, 53, 265, 371, 521, 1855, 2605, 3647, 18235, 20921, 27613, 104605, 138065, 146447, 193291, 732235, 966455, 1108813, 5544065, 7761691, 10899841, 38808455, 54499205, 76298887, 381494435, 577691573, 2888457865, 4043841011, 20219205055]

約数ペア:

[(1, 20219205055), (5, 4043841011), (7, 2888457865), (35, 577691573), (53, 381494435), (265, 76298887), (371, 54499205), (521, 38808455), (1855, 10899841), (2605, 7761691), (3647, 5544065), (18235, 1108813), (20921, 966455), (27613, 732235), (104605, 193291), (138065, 146447)]