20364456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2819}}^1$

素因数の和:2878

約数の個数: 64

約数和(自身を含む): 59558400

約数和(自身を除く): 39193944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2819, 3612, 5638, 7224, 8457, 11276, 16914, 19733, 22552, 33828, 39466, 59199, 67656, 78932, 118398, 121217, 157864, 236796, 242434, 363651, 473592, 484868, 727302, 848519, 969736, 1454604, 1697038, 2545557, 2909208, 3394076, 5091114, 6788152, 10182228, 20364456]

約数ペア:

[(1, 20364456), (2, 10182228), (3, 6788152), (4, 5091114), (6, 3394076), (7, 2909208), (8, 2545557), (12, 1697038), (14, 1454604), (21, 969736), (24, 848519), (28, 727302), (42, 484868), (43, 473592), (56, 363651), (84, 242434), (86, 236796), (129, 157864), (168, 121217), (172, 118398), (258, 78932), (301, 67656), (344, 59199), (516, 39466), (602, 33828), (903, 22552), (1032, 19733), (1204, 16914), (1806, 11276), (2408, 8457), (2819, 7224), (3612, 5638)]