20887470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 80

約数和(自身を含む): 56924208

約数和(自身を除く): 36036738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 107, 135, 162, 214, 241, 270, 321, 405, 482, 535, 642, 723, 810, 963, 1070, 1205, 1446, 1605, 1926, 2169, 2410, 2889, 3210, 3615, 4338, 4815, 5778, 6507, 7230, 8667, 9630, 10845, 13014, 14445, 17334, 19521, 21690, 25787, 28890, 32535, 39042, 43335, 51574, 65070, 77361, 86670, 97605, 128935, 154722, 195210, 232083, 257870, 386805, 464166, 696249, 773610, 1160415, 1392498, 2088747, 2320830, 3481245, 4177494, 6962490, 10443735, 20887470]

約数ペア:

[(1, 20887470), (2, 10443735), (3, 6962490), (5, 4177494), (6, 3481245), (9, 2320830), (10, 2088747), (15, 1392498), (18, 1160415), (27, 773610), (30, 696249), (45, 464166), (54, 386805), (81, 257870), (90, 232083), (107, 195210), (135, 154722), (162, 128935), (214, 97605), (241, 86670), (270, 77361), (321, 65070), (405, 51574), (482, 43335), (535, 39042), (642, 32535), (723, 28890), (810, 25787), (963, 21690), (1070, 19521), (1205, 17334), (1446, 14445), (1605, 13014), (1926, 10845), (2169, 9630), (2410, 8667), (2889, 7230), (3210, 6507), (3615, 5778), (4338, 4815)]