20584616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4603}}^1$

素因数の和:4665

約数の個数: 32

約数和(自身を含む): 42540960

約数和(自身を除く): 21956344

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4603, 9206, 18412, 36824, 59839, 119678, 197929, 239356, 395858, 478712, 791716, 1583432, 2573077, 5146154, 10292308, 20584616]

約数ペア:

[(1, 20584616), (2, 10292308), (4, 5146154), (8, 2573077), (13, 1583432), (26, 791716), (43, 478712), (52, 395858), (86, 239356), (104, 197929), (172, 119678), (344, 59839), (559, 36824), (1118, 18412), (2236, 9206), (4472, 4603)]