20844756

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{751}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 54324480

約数和(自身を除く): 33479724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 751, 771, 1028, 1502, 1542, 2253, 2313, 3004, 3084, 4506, 4626, 6759, 6939, 9012, 9252, 13518, 13878, 20277, 27036, 27756, 40554, 81108, 193007, 386014, 579021, 772028, 1158042, 1737063, 2316084, 3474126, 5211189, 6948252, 10422378, 20844756]

約数ペア:

[(1, 20844756), (2, 10422378), (3, 6948252), (4, 5211189), (6, 3474126), (9, 2316084), (12, 1737063), (18, 1158042), (27, 772028), (36, 579021), (54, 386014), (108, 193007), (257, 81108), (514, 40554), (751, 27756), (771, 27036), (1028, 20277), (1502, 13878), (1542, 13518), (2253, 9252), (2313, 9012), (3004, 6939), (3084, 6759), (4506, 4626)]