20565118872

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1280837}}^1$

素因数の和:1281072

約数の個数: 48

約数和(自身を含む): 55947003840

約数和(自身を除く): 35381884968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1338, 1784, 2007, 2676, 4014, 5352, 8028, 16056, 1280837, 2561674, 3842511, 5123348, 7685022, 10246696, 11527533, 15370044, 23055066, 30740088, 46110132, 92220264, 285626651, 571253302, 856879953, 1142506604, 1713759906, 2285013208, 2570639859, 3427519812, 5141279718, 6855039624, 10282559436, 20565118872]

約数ペア:

[(1, 20565118872), (2, 10282559436), (3, 6855039624), (4, 5141279718), (6, 3427519812), (8, 2570639859), (9, 2285013208), (12, 1713759906), (18, 1142506604), (24, 856879953), (36, 571253302), (72, 285626651), (223, 92220264), (446, 46110132), (669, 30740088), (892, 23055066), (1338, 15370044), (1784, 11527533), (2007, 10246696), (2676, 7685022), (4014, 5123348), (5352, 3842511), (8028, 2561674), (16056, 1280837)]