20386191

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{5813}}^1$

素因数の和:5990

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 10869873

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 5813, 17439, 40691, 122073, 970771, 2912313, 6795397, 20386191]

約数ペア:

[(1, 20386191), (3, 6795397), (7, 2912313), (21, 970771), (167, 122073), (501, 40691), (1169, 17439), (3507, 5813)]