20811582

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 49785840

約数和(自身を除く): 28974258

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 89, 99, 178, 198, 267, 534, 801, 979, 1181, 1602, 1958, 2362, 2937, 3543, 5874, 7086, 8811, 10629, 12991, 17622, 21258, 25982, 38973, 77946, 105109, 116919, 210218, 233838, 315327, 630654, 945981, 1156199, 1891962, 2312398, 3468597, 6937194, 10405791, 20811582]

約数ペア:

[(1, 20811582), (2, 10405791), (3, 6937194), (6, 3468597), (9, 2312398), (11, 1891962), (18, 1156199), (22, 945981), (33, 630654), (66, 315327), (89, 233838), (99, 210218), (178, 116919), (198, 105109), (267, 77946), (534, 38973), (801, 25982), (979, 21258), (1181, 17622), (1602, 12991), (1958, 10629), (2362, 8811), (2937, 7086), (3543, 5874)]