20955572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{743}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 40122432

約数和(自身を除く): 19166860

約数列:

[1, 2, 4, 11, 22, 44, 641, 743, 1282, 1486, 2564, 2972, 7051, 8173, 14102, 16346, 28204, 32692, 476263, 952526, 1905052, 5238893, 10477786, 20955572]

約数ペア:

[(1, 20955572), (2, 10477786), (4, 5238893), (11, 1905052), (22, 952526), (44, 476263), (641, 32692), (743, 28204), (1282, 16346), (1486, 14102), (2564, 8173), (2972, 7051)]