20165356972

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{647}}^1\times {\mathrm{43049}}^1$

素因数の和:43881

約数の個数: 24

約数和(自身を含む): 35540013600

約数和(自身を除く): 15374656628

約数列:

[1, 2, 4, 181, 362, 647, 724, 1294, 2588, 43049, 86098, 117107, 172196, 234214, 468428, 7791869, 15583738, 27852703, 31167476, 55705406, 111410812, 5041339243, 10082678486, 20165356972]

約数ペア:

[(1, 20165356972), (2, 10082678486), (4, 5041339243), (181, 111410812), (362, 55705406), (647, 31167476), (724, 27852703), (1294, 15583738), (2588, 7791869), (43049, 468428), (86098, 234214), (117107, 172196)]