20539530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20747}}^1$

素因数の和:20771

約数の個数: 48

約数和(自身を含む): 58260384

約数和(自身を除く): 37720854

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20747, 41494, 62241, 103735, 124482, 186723, 207470, 228217, 311205, 373446, 456434, 622410, 684651, 933615, 1141085, 1369302, 1867230, 2053953, 2282170, 3423255, 4107906, 6846510, 10269765, 20539530]

約数ペア:

[(1, 20539530), (2, 10269765), (3, 6846510), (5, 4107906), (6, 3423255), (9, 2282170), (10, 2053953), (11, 1867230), (15, 1369302), (18, 1141085), (22, 933615), (30, 684651), (33, 622410), (45, 456434), (55, 373446), (66, 311205), (90, 228217), (99, 207470), (110, 186723), (165, 124482), (198, 103735), (330, 62241), (495, 41494), (990, 20747)]