20804916405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15241697}}^1$

素因数の和:15241725

約数の個数: 32

約数和(自身を含む): 40969684224

約数和(自身を除く): 20164767819

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15241697, 45725091, 76208485, 106691879, 198142061, 228625455, 320075637, 533459395, 594426183, 990710305, 1386994427, 1600378185, 2972130915, 4160983281, 6934972135, 20804916405]

約数ペア:

[(1, 20804916405), (3, 6934972135), (5, 4160983281), (7, 2972130915), (13, 1600378185), (15, 1386994427), (21, 990710305), (35, 594426183), (39, 533459395), (65, 320075637), (91, 228625455), (105, 198142061), (195, 106691879), (273, 76208485), (455, 45725091), (1365, 15241697)]