20218558456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{4723}}^1\times {\mathrm{31477}}^1$

素因数の和:36223

約数の個数: 32

約数和(自身を含む): 40149559440

約数和(自身を除く): 19931000984

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 4723, 9446, 18892, 31477, 37784, 62954, 80291, 125908, 160582, 251816, 321164, 535109, 642328, 1070218, 2140436, 4280872, 148665871, 297331742, 594663484, 1189326968, 2527319807, 5054639614, 10109279228, 20218558456]

約数ペア:

[(1, 20218558456), (2, 10109279228), (4, 5054639614), (8, 2527319807), (17, 1189326968), (34, 594663484), (68, 297331742), (136, 148665871), (4723, 4280872), (9446, 2140436), (18892, 1070218), (31477, 642328), (37784, 535109), (62954, 321164), (80291, 251816), (125908, 160582)]