20137172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7757}}^1$

素因数の和:7831

約数の個数: 24

約数和(自身を含む): 39100320

約数和(自身を除く): 18963148

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7757, 15514, 31028, 85327, 170654, 341308, 457663, 915326, 1830652, 5034293, 10068586, 20137172]

約数ペア:

[(1, 20137172), (2, 10068586), (4, 5034293), (11, 1830652), (22, 915326), (44, 457663), (59, 341308), (118, 170654), (236, 85327), (649, 31028), (1298, 15514), (2596, 7757)]