20828859

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2741}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 29613600

約数和(自身を除く): 8784741

約数列:

[1, 3, 17, 51, 149, 447, 2533, 2741, 7599, 8223, 46597, 139791, 408409, 1225227, 6942953, 20828859]

約数ペア:

[(1, 20828859), (3, 6942953), (17, 1225227), (51, 408409), (149, 139791), (447, 46597), (2533, 8223), (2741, 7599)]