20447595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 20436885

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 315, 417, 467, 695, 973, 1251, 1401, 2085, 2335, 2919, 3269, 4203, 4865, 6255, 7005, 8757, 9807, 14595, 16345, 21015, 29421, 43785, 49035, 64913, 147105, 194739, 324565, 454391, 584217, 973695, 1363173, 2271955, 2921085, 4089519, 6815865, 20447595]

約数ペア:

[(1, 20447595), (3, 6815865), (5, 4089519), (7, 2921085), (9, 2271955), (15, 1363173), (21, 973695), (35, 584217), (45, 454391), (63, 324565), (105, 194739), (139, 147105), (315, 64913), (417, 49035), (467, 43785), (695, 29421), (973, 21015), (1251, 16345), (1401, 14595), (2085, 9807), (2335, 8757), (2919, 7005), (3269, 6255), (4203, 4865)]