20951637

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14891}}^1$

素因数の和:14968

約数の個数: 16

約数和(自身を含む): 32404992

約数和(自身を除く): 11453355

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14891, 44673, 104237, 312711, 997697, 2993091, 6983879, 20951637]

約数ペア:

[(1, 20951637), (3, 6983879), (7, 2993091), (21, 997697), (67, 312711), (201, 104237), (469, 44673), (1407, 14891)]