20682807740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5147}}^1\times {\mathrm{28703}}^1$

素因数の和:33866

約数の個数: 48

約数和(自身を含む): 49650112512

約数和(自身を除く): 28967304772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5147, 10294, 20588, 25735, 28703, 36029, 51470, 57406, 72058, 102940, 114812, 143515, 144116, 180145, 200921, 287030, 360290, 401842, 574060, 720580, 803684, 1004605, 2009210, 4018420, 147734341, 295468682, 590937364, 738671705, 1034140387, 1477343410, 2068280774, 2954686820, 4136561548, 5170701935, 10341403870, 20682807740]

約数ペア:

[(1, 20682807740), (2, 10341403870), (4, 5170701935), (5, 4136561548), (7, 2954686820), (10, 2068280774), (14, 1477343410), (20, 1034140387), (28, 738671705), (35, 590937364), (70, 295468682), (140, 147734341), (5147, 4018420), (10294, 2009210), (20588, 1004605), (25735, 803684), (28703, 720580), (36029, 574060), (51470, 401842), (57406, 360290), (72058, 287030), (102940, 200921), (114812, 180145), (143515, 144116)]