20746669684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{577387}}^1$

素因数の和:578095

約数の個数: 24

約数和(自身を含む): 39156144608

約数和(自身を除く): 18409474924

約数列:

[1, 2, 4, 13, 26, 52, 691, 1382, 2764, 8983, 17966, 35932, 577387, 1154774, 2309548, 7506031, 15012062, 30024124, 398974417, 797948834, 1595897668, 5186667421, 10373334842, 20746669684]

約数ペア:

[(1, 20746669684), (2, 10373334842), (4, 5186667421), (13, 1595897668), (26, 797948834), (52, 398974417), (691, 30024124), (1382, 15012062), (2764, 7506031), (8983, 2309548), (17966, 1154774), (35932, 577387)]