20768940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38461}}^1$

素因数の和:38479

約数の個数: 48

約数和(自身を含む): 64616160

約数和(自身を除く): 43847220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38461, 76922, 115383, 153844, 192305, 230766, 346149, 384610, 461532, 576915, 692298, 769220, 1038447, 1153830, 1384596, 1730745, 2076894, 2307660, 3461490, 4153788, 5192235, 6922980, 10384470, 20768940]

約数ペア:

[(1, 20768940), (2, 10384470), (3, 6922980), (4, 5192235), (5, 4153788), (6, 3461490), (9, 2307660), (10, 2076894), (12, 1730745), (15, 1384596), (18, 1153830), (20, 1038447), (27, 769220), (30, 692298), (36, 576915), (45, 461532), (54, 384610), (60, 346149), (90, 230766), (108, 192305), (135, 153844), (180, 115383), (270, 76922), (540, 38461)]