20960170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 47609856

約数和(自身を除く): 26649686

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 163, 167, 326, 334, 385, 770, 815, 835, 1141, 1169, 1630, 1670, 1793, 1837, 2282, 2338, 3586, 3674, 5705, 5845, 8965, 9185, 11410, 11690, 12551, 12859, 17930, 18370, 25102, 25718, 27221, 54442, 62755, 64295, 125510, 128590, 136105, 190547, 272210, 299431, 381094, 598862, 952735, 1497155, 1905470, 2096017, 2994310, 4192034, 10480085, 20960170]

約数ペア:

[(1, 20960170), (2, 10480085), (5, 4192034), (7, 2994310), (10, 2096017), (11, 1905470), (14, 1497155), (22, 952735), (35, 598862), (55, 381094), (70, 299431), (77, 272210), (110, 190547), (154, 136105), (163, 128590), (167, 125510), (326, 64295), (334, 62755), (385, 54442), (770, 27221), (815, 25718), (835, 25102), (1141, 18370), (1169, 17930), (1630, 12859), (1670, 12551), (1793, 11690), (1837, 11410), (2282, 9185), (2338, 8965), (3586, 5845), (3674, 5705)]