20212821058

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1\times {\mathrm{8147}}^1$

素因数の和:9906

約数の個数: 32

約数和(自身を含む): 32872682304

約数和(自身を除く): 12659861246

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 1697, 3394, 8147, 16294, 28849, 57698, 72971, 138499, 145942, 276998, 350321, 700642, 1240507, 2481014, 5955457, 11910914, 13825459, 27650918, 235032803, 470065606, 594494737, 1188989474, 10106410529, 20212821058]

約数ペア:

[(1, 20212821058), (2, 10106410529), (17, 1188989474), (34, 594494737), (43, 470065606), (86, 235032803), (731, 27650918), (1462, 13825459), (1697, 11910914), (3394, 5955457), (8147, 2481014), (16294, 1240507), (28849, 700642), (57698, 350321), (72971, 276998), (138499, 145942)]