20169616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2557}}^1$

素因数の和:2611

約数の個数: 40

約数和(自身を含む): 42820920

約数和(自身を除く): 22651304

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2557, 3944, 5114, 7888, 10228, 20456, 40912, 43469, 74153, 86938, 148306, 173876, 296612, 347752, 593224, 695504, 1186448, 1260601, 2521202, 5042404, 10084808, 20169616]

約数ペア:

[(1, 20169616), (2, 10084808), (4, 5042404), (8, 2521202), (16, 1260601), (17, 1186448), (29, 695504), (34, 593224), (58, 347752), (68, 296612), (116, 173876), (136, 148306), (232, 86938), (272, 74153), (464, 43469), (493, 40912), (986, 20456), (1972, 10228), (2557, 7888), (3944, 5114)]