20543276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1367}}^1$

素因数の和:1418

約数の個数: 36

約数和(自身を含む): 41157648

約数和(自身を除く): 20614372

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1367, 2734, 3757, 5468, 7514, 15028, 17771, 23239, 35542, 46478, 71084, 92956, 302107, 395063, 604214, 790126, 1208428, 1580252, 5135819, 10271638, 20543276]

約数ペア:

[(1, 20543276), (2, 10271638), (4, 5135819), (13, 1580252), (17, 1208428), (26, 790126), (34, 604214), (52, 395063), (68, 302107), (221, 92956), (289, 71084), (442, 46478), (578, 35542), (884, 23239), (1156, 17771), (1367, 15028), (2734, 7514), (3757, 5468)]