20178795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14783}}^1$

素因数の和:14811

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 19560597

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14783, 44349, 73915, 103481, 192179, 221745, 310443, 517405, 576537, 960895, 1345253, 1552215, 2882685, 4035759, 6726265, 20178795]

約数ペア:

[(1, 20178795), (3, 6726265), (5, 4035759), (7, 2882685), (13, 1552215), (15, 1345253), (21, 960895), (35, 576537), (39, 517405), (65, 310443), (91, 221745), (105, 192179), (195, 103481), (273, 73915), (455, 44349), (1365, 14783)]