20196687458

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1\times {\mathrm{5113}}^1$

素因数の和:7178

約数の個数: 32

約数和(自身を含む): 32369901696

約数和(自身を除く): 12173214238

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 1997, 3994, 5113, 10226, 45931, 85871, 91862, 117599, 171742, 219859, 235198, 439718, 1975033, 3950066, 5056757, 10113514, 10210661, 20421322, 234845203, 439058423, 469690406, 878116846, 10098343729, 20196687458]

約数ペア:

[(1, 20196687458), (2, 10098343729), (23, 878116846), (43, 469690406), (46, 439058423), (86, 234845203), (989, 20421322), (1978, 10210661), (1997, 10113514), (3994, 5056757), (5113, 3950066), (10226, 1975033), (45931, 439718), (85871, 235198), (91862, 219859), (117599, 171742)]