20587659

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{953}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 29001600

約数和(自身を除く): 8413941

約数列:

[1, 3, 19, 57, 379, 953, 1137, 2859, 7201, 18107, 21603, 54321, 361187, 1083561, 6862553, 20587659]

約数ペア:

[(1, 20587659), (3, 6862553), (19, 1083561), (57, 361187), (379, 54321), (953, 21603), (1137, 18107), (2859, 7201)]