20794473

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:854

約数の個数: 36

約数和(自身を含む): 35559108

約数和(自身を除く): 14764635

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 773, 1281, 2319, 2989, 3843, 5411, 6957, 8967, 16233, 26901, 37877, 47153, 48699, 113631, 141459, 330071, 340893, 424377, 990213, 2310497, 2970639, 6931491, 20794473]

約数ペア:

[(1, 20794473), (3, 6931491), (7, 2970639), (9, 2310497), (21, 990213), (49, 424377), (61, 340893), (63, 330071), (147, 141459), (183, 113631), (427, 48699), (441, 47153), (549, 37877), (773, 26901), (1281, 16233), (2319, 8967), (2989, 6957), (3843, 5411)]