20797392005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{88607}}^1$

素因数の和:88805

約数の個数: 32

約数和(自身を含む): 28224129024

約数和(自身を除く): 7426737019

約数列:

[1, 5, 13, 23, 65, 115, 157, 299, 785, 1495, 2041, 3611, 10205, 18055, 46943, 88607, 234715, 443035, 1151891, 2037961, 5759455, 10189805, 13911299, 26493493, 69556495, 132467465, 180846887, 319959877, 904234435, 1599799385, 4159478401, 20797392005]

約数ペア:

[(1, 20797392005), (5, 4159478401), (13, 1599799385), (23, 904234435), (65, 319959877), (115, 180846887), (157, 132467465), (299, 69556495), (785, 26493493), (1495, 13911299), (2041, 10189805), (3611, 5759455), (10205, 2037961), (18055, 1151891), (46943, 443035), (88607, 234715)]