20085923

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 5460829

約数列:

[1, 11, 13, 23, 31, 143, 197, 253, 299, 341, 403, 713, 2167, 2561, 3289, 4433, 4531, 6107, 7843, 9269, 28171, 49841, 58903, 67177, 79391, 101959, 140461, 647933, 873301, 1545071, 1825993, 20085923]

約数ペア:

[(1, 20085923), (11, 1825993), (13, 1545071), (23, 873301), (31, 647933), (143, 140461), (197, 101959), (253, 79391), (299, 67177), (341, 58903), (403, 49841), (713, 28171), (2167, 9269), (2561, 7843), (3289, 6107), (4433, 4531)]