20121502478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2779981}}^1$

素因数の和:2780048

約数の個数: 32

約数和(自身を含む): 38430471168

約数和(自身を除く): 18308968690

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 3619, 7238, 2779981, 5559962, 19459867, 30579791, 38919734, 61159582, 130659107, 214058537, 261318214, 428117074, 914613749, 1437250177, 1829227498, 2874500354, 10060751239, 20121502478]

約数ペア:

[(1, 20121502478), (2, 10060751239), (7, 2874500354), (11, 1829227498), (14, 1437250177), (22, 914613749), (47, 428117074), (77, 261318214), (94, 214058537), (154, 130659107), (329, 61159582), (517, 38919734), (658, 30579791), (1034, 19459867), (3619, 5559962), (7238, 2779981)]