20435272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17863}}^1$

素因数の和:17893

約数の個数: 32

約数和(自身を含む): 45017280

約数和(自身を除く): 24582008

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17863, 35726, 71452, 142904, 196493, 232219, 392986, 464438, 785972, 928876, 1571944, 1857752, 2554409, 5108818, 10217636, 20435272]

約数ペア:

[(1, 20435272), (2, 10217636), (4, 5108818), (8, 2554409), (11, 1857752), (13, 1571944), (22, 928876), (26, 785972), (44, 464438), (52, 392986), (88, 232219), (104, 196493), (143, 142904), (286, 71452), (572, 35726), (1144, 17863)]