20831159776

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2999879}}^1$

素因数の和:2999927

約数の個数: 48

約数和(自身を含む): 48382064640

約数和(自身を除く): 27550904864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 2999879, 5999758, 11999516, 20999153, 23999032, 41998306, 47998064, 83996612, 92996249, 95996128, 167993224, 185992498, 335986448, 371984996, 650973743, 671972896, 743969992, 1301947486, 1487939984, 2603894972, 2975879968, 5207789944, 10415579888, 20831159776]

約数ペア:

[(1, 20831159776), (2, 10415579888), (4, 5207789944), (7, 2975879968), (8, 2603894972), (14, 1487939984), (16, 1301947486), (28, 743969992), (31, 671972896), (32, 650973743), (56, 371984996), (62, 335986448), (112, 185992498), (124, 167993224), (217, 95996128), (224, 92996249), (248, 83996612), (434, 47998064), (496, 41998306), (868, 23999032), (992, 20999153), (1736, 11999516), (3472, 5999758), (6944, 2999879)]