20170904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193951}}^1$

素因数の和:193970

約数の個数: 16

約数和(自身を含む): 40729920

約数和(自身を除く): 20559016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193951, 387902, 775804, 1551608, 2521363, 5042726, 10085452, 20170904]

約数ペア:

[(1, 20170904), (2, 10085452), (4, 5042726), (8, 2521363), (13, 1551608), (26, 775804), (52, 387902), (104, 193951)]