20204835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{571}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 37120512

約数和(自身を除く): 16915677

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 337, 571, 1011, 1685, 1713, 2359, 2855, 3997, 5055, 7077, 8565, 11795, 11991, 19985, 35385, 59955, 192427, 577281, 962135, 1346989, 2886405, 4040967, 6734945, 20204835]

約数ペア:

[(1, 20204835), (3, 6734945), (5, 4040967), (7, 2886405), (15, 1346989), (21, 962135), (35, 577281), (105, 192427), (337, 59955), (571, 35385), (1011, 19985), (1685, 11991), (1713, 11795), (2359, 8565), (2855, 7077), (3997, 5055)]