20161796

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 38063088

約数和(自身を除く): 17901292

約数列:

[1, 2, 4, 17, 34, 68, 107, 163, 214, 289, 326, 428, 578, 652, 1156, 1819, 2771, 3638, 5542, 7276, 11084, 17441, 30923, 34882, 47107, 61846, 69764, 94214, 123692, 188428, 296497, 592994, 1185988, 5040449, 10080898, 20161796]

約数ペア:

[(1, 20161796), (2, 10080898), (4, 5040449), (17, 1185988), (34, 592994), (68, 296497), (107, 188428), (163, 123692), (214, 94214), (289, 69764), (326, 61846), (428, 47107), (578, 34882), (652, 30923), (1156, 17441), (1819, 11084), (2771, 7276), (3638, 5542)]