20329911

素因数分解:

$3^2\times 7^1\times {\mathrm{467}}^1\times {\mathrm{691}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 33681024

約数和(自身を除く): 13351113

約数列:

[1, 3, 7, 9, 21, 63, 467, 691, 1401, 2073, 3269, 4203, 4837, 6219, 9807, 14511, 29421, 43533, 322697, 968091, 2258879, 2904273, 6776637, 20329911]

約数ペア:

[(1, 20329911), (3, 6776637), (7, 2904273), (9, 2258879), (21, 968091), (63, 322697), (467, 43533), (691, 29421), (1401, 14511), (2073, 9807), (3269, 6219), (4203, 4837)]