20285672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3779}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 21899128

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3779, 5368, 7558, 15116, 30232, 41569, 83138, 166276, 230519, 332552, 461038, 922076, 1844152, 2535709, 5071418, 10142836, 20285672]

約数ペア:

[(1, 20285672), (2, 10142836), (4, 5071418), (8, 2535709), (11, 1844152), (22, 922076), (44, 461038), (61, 332552), (88, 230519), (122, 166276), (244, 83138), (488, 41569), (671, 30232), (1342, 15116), (2684, 7558), (3779, 5368)]