20980448

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38567}}^1$

素因数の和:38594

約数の個数: 24

約数和(自身を含む): 43736112

約数和(自身を除く): 22755664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38567, 77134, 154268, 308536, 617072, 655639, 1234144, 1311278, 2622556, 5245112, 10490224, 20980448]

約数ペア:

[(1, 20980448), (2, 10490224), (4, 5245112), (8, 2622556), (16, 1311278), (17, 1234144), (32, 655639), (34, 617072), (68, 308536), (136, 154268), (272, 77134), (544, 38567)]