20129544568

素因数分解:

$2^3\times 7^2\times {\mathrm{223}}^1\times {\mathrm{230273}}^1$

素因数の和:230516

約数の個数: 48

約数和(自身を含む): 44102076480

約数和(自身を除く): 23972531912

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 223, 392, 446, 892, 1561, 1784, 3122, 6244, 10927, 12488, 21854, 43708, 87416, 230273, 460546, 921092, 1611911, 1842184, 3223822, 6447644, 11283377, 12895288, 22566754, 45133508, 51350879, 90267016, 102701758, 205403516, 359456153, 410807032, 718912306, 1437824612, 2516193071, 2875649224, 5032386142, 10064772284, 20129544568]

約数ペア:

[(1, 20129544568), (2, 10064772284), (4, 5032386142), (7, 2875649224), (8, 2516193071), (14, 1437824612), (28, 718912306), (49, 410807032), (56, 359456153), (98, 205403516), (196, 102701758), (223, 90267016), (392, 51350879), (446, 45133508), (892, 22566754), (1561, 12895288), (1784, 11283377), (3122, 6447644), (6244, 3223822), (10927, 1842184), (12488, 1611911), (21854, 921092), (43708, 460546), (87416, 230273)]