20485792

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 42239232

約数和(自身を除く): 21753440

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 107, 124, 193, 214, 248, 386, 428, 496, 772, 856, 992, 1544, 1712, 3088, 3317, 3424, 5983, 6176, 6634, 11966, 13268, 20651, 23932, 26536, 41302, 47864, 53072, 82604, 95728, 106144, 165208, 191456, 330416, 640181, 660832, 1280362, 2560724, 5121448, 10242896, 20485792]

約数ペア:

[(1, 20485792), (2, 10242896), (4, 5121448), (8, 2560724), (16, 1280362), (31, 660832), (32, 640181), (62, 330416), (107, 191456), (124, 165208), (193, 106144), (214, 95728), (248, 82604), (386, 53072), (428, 47864), (496, 41302), (772, 26536), (856, 23932), (992, 20651), (1544, 13268), (1712, 11966), (3088, 6634), (3317, 6176), (3424, 5983)]