20408727457

素因数分解:

${\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{25121}}^1$

素因数の和:25584

約数の個数: 16

約数和(自身を含む): 21416002560

約数和(自身を除く): 1007275103

約数列:

[1, 31, 73, 359, 2263, 11129, 25121, 26207, 778751, 812417, 1833833, 9018439, 56848823, 279571609, 658346047, 20408727457]

約数ペア:

[(1, 20408727457), (31, 658346047), (73, 279571609), (359, 56848823), (2263, 9018439), (11129, 1833833), (25121, 812417), (26207, 778751)]