20660458

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16217}}^1$

素因数の和:16246

約数の個数: 24

約数和(自身を含む): 38825892

約数和(自身を除く): 18165434

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16217, 32434, 113519, 210821, 227038, 421642, 794633, 1475747, 1589266, 2951494, 10330229, 20660458]

約数ペア:

[(1, 20660458), (2, 10330229), (7, 2951494), (13, 1589266), (14, 1475747), (26, 794633), (49, 421642), (91, 227038), (98, 210821), (182, 113519), (637, 32434), (1274, 16217)]