20171866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 35816256

約数和(自身を除く): 15644390

約数列:

[1, 2, 11, 13, 22, 26, 143, 251, 281, 286, 502, 562, 2761, 3091, 3263, 3653, 5522, 6182, 6526, 7306, 35893, 40183, 70531, 71786, 80366, 141062, 775841, 916903, 1551682, 1833806, 10085933, 20171866]

約数ペア:

[(1, 20171866), (2, 10085933), (11, 1833806), (13, 1551682), (22, 916903), (26, 775841), (143, 141062), (251, 80366), (281, 71786), (286, 70531), (502, 40183), (562, 35893), (2761, 7306), (3091, 6526), (3263, 6182), (3653, 5522)]