20897663859

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1321}}^1\times {\mathrm{56701}}^1$

素因数の和:58059

約数の個数: 24

約数和(自身を含む): 31183378304

約数和(自身を除く): 10285714445

約数列:

[1, 3, 9, 31, 93, 279, 1321, 3963, 11889, 40951, 56701, 122853, 170103, 368559, 510309, 1757731, 5273193, 15819579, 74902021, 224706063, 674118189, 2321962651, 6965887953, 20897663859]

約数ペア:

[(1, 20897663859), (3, 6965887953), (9, 2321962651), (31, 674118189), (93, 224706063), (279, 74902021), (1321, 15819579), (3963, 5273193), (11889, 1757731), (40951, 510309), (56701, 368559), (122853, 170103)]