20171901616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74161403}}^1$

素因数の和:74161428

約数の個数: 20

約数和(自身を含む): 41382063432

約数和(自身を除く): 21210161816

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74161403, 148322806, 296645612, 593291224, 1186582448, 1260743851, 2521487702, 5042975404, 10085950808, 20171901616]

約数ペア:

[(1, 20171901616), (2, 10085950808), (4, 5042975404), (8, 2521487702), (16, 1260743851), (17, 1186582448), (34, 593291224), (68, 296645612), (136, 148322806), (272, 74161403)]