20213776796

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{8689}}^1$

素因数の和:9054

約数の個数: 48

約数和(自身を含む): 37163723520

約数和(自身を除く): 16949946724

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 257, 292, 514, 1028, 2263, 4526, 7967, 8689, 9052, 15934, 17378, 18761, 31868, 34756, 37522, 75044, 269359, 538718, 581591, 634297, 1077436, 1163182, 1268594, 2233073, 2326364, 2537188, 4466146, 8932292, 19663207, 39326414, 69225263, 78652828, 138450526, 163014329, 276901052, 326028658, 652057316, 5053444199, 10106888398, 20213776796]

約数ペア:

[(1, 20213776796), (2, 10106888398), (4, 5053444199), (31, 652057316), (62, 326028658), (73, 276901052), (124, 163014329), (146, 138450526), (257, 78652828), (292, 69225263), (514, 39326414), (1028, 19663207), (2263, 8932292), (4526, 4466146), (7967, 2537188), (8689, 2326364), (9052, 2233073), (15934, 1268594), (17378, 1163182), (18761, 1077436), (31868, 634297), (34756, 581591), (37522, 538718), (75044, 269359)]