20998040544

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5608451}}^1$

素因数の和:5608480

約数の個数: 72

約数和(自身を含む): 64306510632

約数和(自身を除く): 43308470088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5608451, 11216902, 16825353, 22433804, 33650706, 44867608, 50476059, 67301412, 72909863, 89735216, 100952118, 134602824, 145819726, 179470432, 201904236, 218729589, 269205648, 291639452, 403808472, 437459178, 538411296, 583278904, 656188767, 807616944, 874918356, 1166557808, 1312377534, 1615233888, 1749836712, 2333115616, 2624755068, 3499673424, 5249510136, 6999346848, 10499020272, 20998040544]

約数ペア:

[(1, 20998040544), (2, 10499020272), (3, 6999346848), (4, 5249510136), (6, 3499673424), (8, 2624755068), (9, 2333115616), (12, 1749836712), (13, 1615233888), (16, 1312377534), (18, 1166557808), (24, 874918356), (26, 807616944), (32, 656188767), (36, 583278904), (39, 538411296), (48, 437459178), (52, 403808472), (72, 291639452), (78, 269205648), (96, 218729589), (104, 201904236), (117, 179470432), (144, 145819726), (156, 134602824), (208, 100952118), (234, 89735216), (288, 72909863), (312, 67301412), (416, 50476059), (468, 44867608), (624, 33650706), (936, 22433804), (1248, 16825353), (1872, 11216902), (3744, 5608451)]