20589863

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1039}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 24960000

約数和(自身を除く): 4370137

約数列:

[1, 7, 19, 133, 149, 1039, 1043, 2831, 7273, 19741, 19817, 138187, 154811, 1083677, 2941409, 20589863]

約数ペア:

[(1, 20589863), (7, 2941409), (19, 1083677), (133, 154811), (149, 138187), (1039, 19817), (1043, 19741), (2831, 7273)]