20303664

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 55924992

約数和(自身を除く): 35621328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 53, 69, 92, 106, 138, 159, 184, 212, 276, 318, 347, 368, 424, 552, 636, 694, 848, 1041, 1104, 1219, 1272, 1388, 2082, 2438, 2544, 2776, 3657, 4164, 4876, 5552, 7314, 7981, 8328, 9752, 14628, 15962, 16656, 18391, 19504, 23943, 29256, 31924, 36782, 47886, 55173, 58512, 63848, 73564, 95772, 110346, 127696, 147128, 191544, 220692, 294256, 383088, 422993, 441384, 845986, 882768, 1268979, 1691972, 2537958, 3383944, 5075916, 6767888, 10151832, 20303664]

約数ペア:

[(1, 20303664), (2, 10151832), (3, 6767888), (4, 5075916), (6, 3383944), (8, 2537958), (12, 1691972), (16, 1268979), (23, 882768), (24, 845986), (46, 441384), (48, 422993), (53, 383088), (69, 294256), (92, 220692), (106, 191544), (138, 147128), (159, 127696), (184, 110346), (212, 95772), (276, 73564), (318, 63848), (347, 58512), (368, 55173), (424, 47886), (552, 36782), (636, 31924), (694, 29256), (848, 23943), (1041, 19504), (1104, 18391), (1219, 16656), (1272, 15962), (1388, 14628), (2082, 9752), (2438, 8328), (2544, 7981), (2776, 7314), (3657, 5552), (4164, 4876)]