20747432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19687768

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 269, 311, 538, 622, 1076, 1244, 2152, 2488, 8339, 9641, 16678, 19282, 33356, 38564, 66712, 77128, 83659, 167318, 334636, 669272, 2593429, 5186858, 10373716, 20747432]

約数ペア:

[(1, 20747432), (2, 10373716), (4, 5186858), (8, 2593429), (31, 669272), (62, 334636), (124, 167318), (248, 83659), (269, 77128), (311, 66712), (538, 38564), (622, 33356), (1076, 19282), (1244, 16678), (2152, 9641), (2488, 8339)]