20913776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100547}}^1$

素因数の和:100568

約数の個数: 20

約数和(自身を含む): 43637832

約数和(自身を除く): 22724056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100547, 201094, 402188, 804376, 1307111, 1608752, 2614222, 5228444, 10456888, 20913776]

約数ペア:

[(1, 20913776), (2, 10456888), (4, 5228444), (8, 2614222), (13, 1608752), (16, 1307111), (26, 804376), (52, 402188), (104, 201094), (208, 100547)]