20927060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 34811308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 110, 127, 140, 154, 214, 220, 254, 308, 385, 428, 508, 535, 635, 749, 770, 889, 1070, 1177, 1270, 1397, 1498, 1540, 1778, 2140, 2354, 2540, 2794, 2996, 3556, 3745, 4445, 4708, 5588, 5885, 6985, 7490, 8239, 8890, 9779, 11770, 13589, 13970, 14980, 16478, 17780, 19558, 23540, 27178, 27940, 32956, 39116, 41195, 48895, 54356, 67945, 82390, 95123, 97790, 135890, 149479, 164780, 190246, 195580, 271780, 298958, 380492, 475615, 597916, 747395, 951230, 1046353, 1494790, 1902460, 2092706, 2989580, 4185412, 5231765, 10463530, 20927060]

約数ペア:

[(1, 20927060), (2, 10463530), (4, 5231765), (5, 4185412), (7, 2989580), (10, 2092706), (11, 1902460), (14, 1494790), (20, 1046353), (22, 951230), (28, 747395), (35, 597916), (44, 475615), (55, 380492), (70, 298958), (77, 271780), (107, 195580), (110, 190246), (127, 164780), (140, 149479), (154, 135890), (214, 97790), (220, 95123), (254, 82390), (308, 67945), (385, 54356), (428, 48895), (508, 41195), (535, 39116), (635, 32956), (749, 27940), (770, 27178), (889, 23540), (1070, 19558), (1177, 17780), (1270, 16478), (1397, 14980), (1498, 13970), (1540, 13589), (1778, 11770), (2140, 9779), (2354, 8890), (2540, 8239), (2794, 7490), (2996, 6985), (3556, 5885), (3745, 5588), (4445, 4708)]