20788086

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3539}}^1$

素因数の和:3644

約数の個数: 32

約数和(自身を含む): 45878400

約数和(自身を除く): 25090314

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3539, 5874, 7078, 10617, 21234, 38929, 77858, 116787, 233574, 314971, 629942, 944913, 1889826, 3464681, 6929362, 10394043, 20788086]

約数ペア:

[(1, 20788086), (2, 10394043), (3, 6929362), (6, 3464681), (11, 1889826), (22, 944913), (33, 629942), (66, 314971), (89, 233574), (178, 116787), (267, 77858), (534, 38929), (979, 21234), (1958, 10617), (2937, 7078), (3539, 5874)]