20994444

素因数分解:

$2^2\times 3^3\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:919

約数の個数: 48

約数和(自身を含む): 54684000

約数和(自身を除く): 33689556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 349, 557, 698, 1047, 1114, 1396, 1671, 2094, 2228, 3141, 3342, 4188, 5013, 6282, 6684, 9423, 10026, 12564, 15039, 18846, 20052, 30078, 37692, 60156, 194393, 388786, 583179, 777572, 1166358, 1749537, 2332716, 3499074, 5248611, 6998148, 10497222, 20994444]

約数ペア:

[(1, 20994444), (2, 10497222), (3, 6998148), (4, 5248611), (6, 3499074), (9, 2332716), (12, 1749537), (18, 1166358), (27, 777572), (36, 583179), (54, 388786), (108, 194393), (349, 60156), (557, 37692), (698, 30078), (1047, 20052), (1114, 18846), (1396, 15039), (1671, 12564), (2094, 10026), (2228, 9423), (3141, 6684), (3342, 6282), (4188, 5013)]