20708246

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:536

約数の個数: 24

約数和(自身を含む): 33915024

約数和(自身を除く): 13206778

約数列:

[1, 2, 13, 26, 169, 197, 311, 338, 394, 622, 2561, 4043, 5122, 8086, 33293, 52559, 61267, 66586, 105118, 122534, 796471, 1592942, 10354123, 20708246]

約数ペア:

[(1, 20708246), (2, 10354123), (13, 1592942), (26, 796471), (169, 122534), (197, 105118), (311, 66586), (338, 61267), (394, 52559), (622, 33293), (2561, 8086), (4043, 5122)]