20107815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14731}}^1$

素因数の和:14759

約数の個数: 32

約数和(自身を含む): 39599616

約数和(自身を除く): 19491801

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14731, 44193, 73655, 103117, 191503, 220965, 309351, 515585, 574509, 957515, 1340521, 1546755, 2872545, 4021563, 6702605, 20107815]

約数ペア:

[(1, 20107815), (3, 6702605), (5, 4021563), (7, 2872545), (13, 1546755), (15, 1340521), (21, 957515), (35, 574509), (39, 515585), (65, 309351), (91, 220965), (105, 191503), (195, 103117), (273, 73655), (455, 44193), (1365, 14731)]