20930859

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 12984021

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 1471, 1581, 4413, 4743, 13239, 14229, 25007, 39717, 45601, 75021, 136803, 225063, 410409, 675189, 775217, 1231227, 2325651, 6976953, 20930859]

約数ペア:

[(1, 20930859), (3, 6976953), (9, 2325651), (17, 1231227), (27, 775217), (31, 675189), (51, 410409), (93, 225063), (153, 136803), (279, 75021), (459, 45601), (527, 39717), (837, 25007), (1471, 14229), (1581, 13239), (4413, 4743)]