20366918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 18824122

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 59, 71, 118, 142, 143, 187, 221, 286, 374, 442, 649, 767, 781, 923, 1003, 1207, 1298, 1534, 1562, 1846, 2006, 2414, 2431, 4189, 4862, 8378, 8437, 10153, 11033, 13039, 13277, 15691, 16874, 20306, 22066, 26078, 26554, 31382, 46079, 54457, 71213, 92158, 108914, 142426, 143429, 172601, 286858, 345202, 599027, 783343, 925769, 1198054, 1566686, 1851538, 10183459, 20366918]

約数ペア:

[(1, 20366918), (2, 10183459), (11, 1851538), (13, 1566686), (17, 1198054), (22, 925769), (26, 783343), (34, 599027), (59, 345202), (71, 286858), (118, 172601), (142, 143429), (143, 142426), (187, 108914), (221, 92158), (286, 71213), (374, 54457), (442, 46079), (649, 31382), (767, 26554), (781, 26078), (923, 22066), (1003, 20306), (1207, 16874), (1298, 15691), (1534, 13277), (1562, 13039), (1846, 11033), (2006, 10153), (2414, 8437), (2431, 8378), (4189, 4862)]