20100896

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22573792

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 92, 124, 184, 248, 368, 496, 713, 736, 881, 992, 1426, 1762, 2852, 3524, 5704, 7048, 11408, 14096, 20263, 22816, 27311, 28192, 40526, 54622, 81052, 109244, 162104, 218488, 324208, 436976, 628153, 648416, 873952, 1256306, 2512612, 5025224, 10050448, 20100896]

約数ペア:

[(1, 20100896), (2, 10050448), (4, 5025224), (8, 2512612), (16, 1256306), (23, 873952), (31, 648416), (32, 628153), (46, 436976), (62, 324208), (92, 218488), (124, 162104), (184, 109244), (248, 81052), (368, 54622), (496, 40526), (713, 28192), (736, 27311), (881, 22816), (992, 20263), (1426, 14096), (1762, 11408), (2852, 7048), (3524, 5704)]