20803787844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{374681}}^1$

素因数の和:375356

約数の個数: 48

約数和(自身を含む): 55560844416

約数和(自身を除く): 34757056572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 661, 1322, 1983, 2644, 3966, 4627, 7932, 9254, 13881, 18508, 27762, 55524, 374681, 749362, 1124043, 1498724, 2248086, 2622767, 4496172, 5245534, 7868301, 10491068, 15736602, 31473204, 247664141, 495328282, 742992423, 990656564, 1485984846, 1733648987, 2971969692, 3467297974, 5200946961, 6934595948, 10401893922, 20803787844]

約数ペア:

[(1, 20803787844), (2, 10401893922), (3, 6934595948), (4, 5200946961), (6, 3467297974), (7, 2971969692), (12, 1733648987), (14, 1485984846), (21, 990656564), (28, 742992423), (42, 495328282), (84, 247664141), (661, 31473204), (1322, 15736602), (1983, 10491068), (2644, 7868301), (3966, 5245534), (4627, 4496172), (7932, 2622767), (9254, 2248086), (13881, 1498724), (18508, 1124043), (27762, 749362), (55524, 374681)]