20485036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22415444

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 59, 118, 143, 236, 286, 572, 607, 649, 767, 1214, 1298, 1534, 2428, 2596, 3068, 6677, 7891, 8437, 13354, 15782, 16874, 26708, 31564, 33748, 35813, 71626, 86801, 143252, 173602, 347204, 393943, 465569, 787886, 931138, 1575772, 1862276, 5121259, 10242518, 20485036]

約数ペア:

[(1, 20485036), (2, 10242518), (4, 5121259), (11, 1862276), (13, 1575772), (22, 931138), (26, 787886), (44, 465569), (52, 393943), (59, 347204), (118, 173602), (143, 143252), (236, 86801), (286, 71626), (572, 35813), (607, 33748), (649, 31564), (767, 26708), (1214, 16874), (1298, 15782), (1534, 13354), (2428, 8437), (2596, 7891), (3068, 6677)]