20695664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6917}}^1$

素因数の和:6953

約数の個数: 40

約数和(自身を含む): 46322928

約数和(自身を除く): 25627264

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6917, 13834, 27668, 55336, 76087, 110672, 117589, 152174, 235178, 304348, 470356, 608696, 940712, 1217392, 1293479, 1881424, 2586958, 5173916, 10347832, 20695664]

約数ペア:

[(1, 20695664), (2, 10347832), (4, 5173916), (8, 2586958), (11, 1881424), (16, 1293479), (17, 1217392), (22, 940712), (34, 608696), (44, 470356), (68, 304348), (88, 235178), (136, 152174), (176, 117589), (187, 110672), (272, 76087), (374, 55336), (748, 27668), (1496, 13834), (2992, 6917)]