20851089364

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{799873}}^1$

素因数の和:799917

約数の個数: 48

約数和(自身を含む): 44792944000

約数和(自身を除く): 23941854636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1372, 1862, 3724, 6517, 13034, 26068, 799873, 1599746, 3199492, 5599111, 11198222, 15197587, 22396444, 30395174, 39193777, 60790348, 78387554, 106383109, 156775108, 212766218, 274356439, 425532436, 548712878, 744681763, 1097425756, 1489363526, 2978727052, 5212772341, 10425544682, 20851089364]

約数ペア:

[(1, 20851089364), (2, 10425544682), (4, 5212772341), (7, 2978727052), (14, 1489363526), (19, 1097425756), (28, 744681763), (38, 548712878), (49, 425532436), (76, 274356439), (98, 212766218), (133, 156775108), (196, 106383109), (266, 78387554), (343, 60790348), (532, 39193777), (686, 30395174), (931, 22396444), (1372, 15197587), (1862, 11198222), (3724, 5599111), (6517, 3199492), (13034, 1599746), (26068, 799873)]