20346033968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1579}}^1\times {\mathrm{61949}}^1$

素因数の和:63549

約数の個数: 40

約数和(自身を含む): 42480354000

約数和(自身を除く): 22134320032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1579, 3158, 6316, 12632, 20527, 25264, 41054, 61949, 82108, 123898, 164216, 247796, 328432, 495592, 805337, 991184, 1610674, 3221348, 6442696, 12885392, 97817471, 195634942, 391269884, 782539768, 1271627123, 1565079536, 2543254246, 5086508492, 10173016984, 20346033968]

約数ペア:

[(1, 20346033968), (2, 10173016984), (4, 5086508492), (8, 2543254246), (13, 1565079536), (16, 1271627123), (26, 782539768), (52, 391269884), (104, 195634942), (208, 97817471), (1579, 12885392), (3158, 6442696), (6316, 3221348), (12632, 1610674), (20527, 991184), (25264, 805337), (41054, 495592), (61949, 328432), (82108, 247796), (123898, 164216)]