20993708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16249}}^1$

素因数の和:16289

約数の個数: 24

約数和(自身を含む): 40950000

約数和(自身を除く): 19956292

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16249, 32498, 64996, 276233, 308731, 552466, 617462, 1104932, 1234924, 5248427, 10496854, 20993708]

約数ペア:

[(1, 20993708), (2, 10496854), (4, 5248427), (17, 1234924), (19, 1104932), (34, 617462), (38, 552466), (68, 308731), (76, 276233), (323, 64996), (646, 32498), (1292, 16249)]