20016724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 43552768

約数和(自身を除く): 23536044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 182, 254, 364, 433, 508, 866, 889, 1651, 1732, 1778, 3031, 3302, 3556, 5629, 6062, 6604, 11258, 11557, 12124, 22516, 23114, 39403, 46228, 54991, 78806, 109982, 157612, 219964, 384937, 714883, 769874, 1429766, 1539748, 2859532, 5004181, 10008362, 20016724]

約数ペア:

[(1, 20016724), (2, 10008362), (4, 5004181), (7, 2859532), (13, 1539748), (14, 1429766), (26, 769874), (28, 714883), (52, 384937), (91, 219964), (127, 157612), (182, 109982), (254, 78806), (364, 54991), (433, 46228), (508, 39403), (866, 23114), (889, 22516), (1651, 12124), (1732, 11557), (1778, 11258), (3031, 6604), (3302, 6062), (3556, 5629)]