20178690832

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{853}}^1\times {\mathrm{64283}}^1$

素因数の和:65167

約数の個数: 40

約数和(自身を含む): 40844510784

約数和(自身を除く): 20665819952

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 853, 1706, 3412, 6824, 13648, 19619, 39238, 64283, 78476, 128566, 156952, 257132, 313904, 514264, 1028528, 1478509, 2957018, 5914036, 11828072, 23656144, 54833399, 109666798, 219333596, 438667192, 877334384, 1261168177, 2522336354, 5044672708, 10089345416, 20178690832]

約数ペア:

[(1, 20178690832), (2, 10089345416), (4, 5044672708), (8, 2522336354), (16, 1261168177), (23, 877334384), (46, 438667192), (92, 219333596), (184, 109666798), (368, 54833399), (853, 23656144), (1706, 11828072), (3412, 5914036), (6824, 2957018), (13648, 1478509), (19619, 1028528), (39238, 514264), (64283, 313904), (78476, 257132), (128566, 156952)]