20579792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2609}}^1$

素因数の和:2663

約数の個数: 40

約数和(自身を含む): 43691400

約数和(自身を除く): 23111608

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2609, 3944, 5218, 7888, 10436, 20872, 41744, 44353, 75661, 88706, 151322, 177412, 302644, 354824, 605288, 709648, 1210576, 1286237, 2572474, 5144948, 10289896, 20579792]

約数ペア:

[(1, 20579792), (2, 10289896), (4, 5144948), (8, 2572474), (16, 1286237), (17, 1210576), (29, 709648), (34, 605288), (58, 354824), (68, 302644), (116, 177412), (136, 151322), (232, 88706), (272, 75661), (464, 44353), (493, 41744), (986, 20872), (1972, 10436), (2609, 7888), (3944, 5218)]