20189045492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{68209}}^1$

素因数の和:68293

約数の個数: 72

約数和(自身を含む): 45516260160

約数和(自身を除く): 25327214668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 961, 1364, 1922, 2387, 3844, 4774, 6727, 9548, 10571, 13454, 21142, 26908, 42284, 68209, 73997, 136418, 147994, 272836, 295988, 477463, 750299, 954926, 1500598, 1909852, 2114479, 3001196, 4228958, 5252093, 8457916, 10504186, 14801353, 21008372, 23259269, 29602706, 46518538, 59205412, 65548849, 93037076, 131097698, 162814883, 262195396, 325629766, 458841943, 651259532, 721037339, 917683886, 1442074678, 1835367772, 2884149356, 5047261373, 10094522746, 20189045492]

約数ペア:

[(1, 20189045492), (2, 10094522746), (4, 5047261373), (7, 2884149356), (11, 1835367772), (14, 1442074678), (22, 917683886), (28, 721037339), (31, 651259532), (44, 458841943), (62, 325629766), (77, 262195396), (124, 162814883), (154, 131097698), (217, 93037076), (308, 65548849), (341, 59205412), (434, 46518538), (682, 29602706), (868, 23259269), (961, 21008372), (1364, 14801353), (1922, 10504186), (2387, 8457916), (3844, 5252093), (4774, 4228958), (6727, 3001196), (9548, 2114479), (10571, 1909852), (13454, 1500598), (21142, 954926), (26908, 750299), (42284, 477463), (68209, 295988), (73997, 272836), (136418, 147994)]