20116971

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 34321920

約数和(自身を除く): 14204949

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 653, 1141, 1467, 1959, 3423, 4401, 4571, 5877, 10269, 13713, 17631, 30807, 41139, 106439, 123417, 319317, 745073, 957951, 2235219, 2873853, 6705657, 20116971]

約数ペア:

[(1, 20116971), (3, 6705657), (7, 2873853), (9, 2235219), (21, 957951), (27, 745073), (63, 319317), (163, 123417), (189, 106439), (489, 41139), (653, 30807), (1141, 17631), (1467, 13713), (1959, 10269), (3423, 5877), (4401, 4571)]