20854752

素因数分解:

$2^5\times 3^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 55273680

約数和(自身を除く): 34418928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 109, 218, 327, 436, 654, 872, 1308, 1744, 1993, 2616, 3488, 3986, 5232, 5979, 7972, 10464, 11958, 15944, 23916, 31888, 47832, 63776, 95664, 191328, 217237, 434474, 651711, 868948, 1303422, 1737896, 2606844, 3475792, 5213688, 6951584, 10427376, 20854752]

約数ペア:

[(1, 20854752), (2, 10427376), (3, 6951584), (4, 5213688), (6, 3475792), (8, 2606844), (12, 1737896), (16, 1303422), (24, 868948), (32, 651711), (48, 434474), (96, 217237), (109, 191328), (218, 95664), (327, 63776), (436, 47832), (654, 31888), (872, 23916), (1308, 15944), (1744, 11958), (1993, 10464), (2616, 7972), (3488, 5979), (3986, 5232)]