20602120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6689}}^1$

素因数の和:6718

約数の個数: 64

約数和(自身を含む): 57801600

約数和(自身を除く): 37199480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6689, 13378, 26756, 33445, 46823, 53512, 66890, 73579, 93646, 133780, 147158, 187292, 234115, 267560, 294316, 367895, 374584, 468230, 515053, 588632, 735790, 936460, 1030106, 1471580, 1872920, 2060212, 2575265, 2943160, 4120424, 5150530, 10301060, 20602120]

約数ペア:

[(1, 20602120), (2, 10301060), (4, 5150530), (5, 4120424), (7, 2943160), (8, 2575265), (10, 2060212), (11, 1872920), (14, 1471580), (20, 1030106), (22, 936460), (28, 735790), (35, 588632), (40, 515053), (44, 468230), (55, 374584), (56, 367895), (70, 294316), (77, 267560), (88, 234115), (110, 187292), (140, 147158), (154, 133780), (220, 93646), (280, 73579), (308, 66890), (385, 53512), (440, 46823), (616, 33445), (770, 26756), (1540, 13378), (3080, 6689)]