20013726

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26642274

約数列:

[1, 2, 3, 6, 17, 19, 23, 34, 38, 46, 51, 57, 69, 102, 114, 138, 323, 391, 437, 449, 646, 782, 874, 898, 969, 1173, 1311, 1347, 1938, 2346, 2622, 2694, 7429, 7633, 8531, 10327, 14858, 15266, 17062, 20654, 22287, 22899, 25593, 30981, 44574, 45798, 51186, 61962, 145027, 175559, 196213, 290054, 351118, 392426, 435081, 526677, 588639, 870162, 1053354, 1177278, 3335621, 6671242, 10006863, 20013726]

約数ペア:

[(1, 20013726), (2, 10006863), (3, 6671242), (6, 3335621), (17, 1177278), (19, 1053354), (23, 870162), (34, 588639), (38, 526677), (46, 435081), (51, 392426), (57, 351118), (69, 290054), (102, 196213), (114, 175559), (138, 145027), (323, 61962), (391, 51186), (437, 45798), (449, 44574), (646, 30981), (782, 25593), (874, 22899), (898, 22287), (969, 20654), (1173, 17062), (1311, 15266), (1347, 14858), (1938, 10327), (2346, 8531), (2622, 7633), (2694, 7429)]