20604591

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2659}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 35750400

約数和(自身を除く): 15145809

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2659, 7749, 7977, 18613, 23931, 55839, 71793, 109019, 167517, 327057, 502551, 763133, 981171, 2289399, 2943513, 6868197, 20604591]

約数ペア:

[(1, 20604591), (3, 6868197), (7, 2943513), (9, 2289399), (21, 981171), (27, 763133), (41, 502551), (63, 327057), (123, 167517), (189, 109019), (287, 71793), (369, 55839), (861, 23931), (1107, 18613), (2583, 7977), (2659, 7749)]