20906423993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{17231}}^1$

素因数の和:17517

約数の個数: 32

約数和(自身を含む): 26247782400

約数和(自身を除く): 5341358407

約数列:

[1, 7, 13, 67, 91, 199, 469, 871, 1393, 2587, 6097, 13333, 17231, 18109, 93331, 120617, 173329, 224003, 1154477, 1213303, 1568021, 3428969, 8081339, 15008201, 24002783, 44576597, 105057407, 229740923, 312036179, 1608186461, 2986631999, 20906423993]

約数ペア:

[(1, 20906423993), (7, 2986631999), (13, 1608186461), (67, 312036179), (91, 229740923), (199, 105057407), (469, 44576597), (871, 24002783), (1393, 15008201), (2587, 8081339), (6097, 3428969), (13333, 1568021), (17231, 1213303), (18109, 1154477), (93331, 224003), (120617, 173329)]