20194272020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1894397}}^1$

素因数の和:1894460

約数の個数: 48

約数和(自身を含む): 46784053008

約数和(自身を除く): 26589780988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 1894397, 3788794, 7577588, 9471985, 18943970, 24627161, 37887940, 49254322, 77670277, 98508644, 123135805, 155340554, 246271610, 310681108, 388351385, 492543220, 776702770, 1009713601, 1553405540, 2019427202, 4038854404, 5048568005, 10097136010, 20194272020]

約数ペア:

[(1, 20194272020), (2, 10097136010), (4, 5048568005), (5, 4038854404), (10, 2019427202), (13, 1553405540), (20, 1009713601), (26, 776702770), (41, 492543220), (52, 388351385), (65, 310681108), (82, 246271610), (130, 155340554), (164, 123135805), (205, 98508644), (260, 77670277), (410, 49254322), (533, 37887940), (820, 24627161), (1066, 18943970), (2132, 9471985), (2665, 7577588), (5330, 3788794), (10660, 1894397)]