20123892495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{459607}}^1$

素因数の和:459764

約数の個数: 48

約数和(自身を含む): 40151354880

約数和(自身を除く): 20027462385

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 315, 417, 695, 973, 1251, 2085, 2919, 4865, 6255, 8757, 14595, 43785, 459607, 1378821, 2298035, 3217249, 4136463, 6894105, 9651747, 16086245, 20682315, 28955241, 48258735, 63885373, 144776205, 191656119, 319426865, 447197611, 574968357, 958280595, 1341592833, 2235988055, 2874841785, 4024778499, 6707964165, 20123892495]

約数ペア:

[(1, 20123892495), (3, 6707964165), (5, 4024778499), (7, 2874841785), (9, 2235988055), (15, 1341592833), (21, 958280595), (35, 574968357), (45, 447197611), (63, 319426865), (105, 191656119), (139, 144776205), (315, 63885373), (417, 48258735), (695, 28955241), (973, 20682315), (1251, 16086245), (2085, 9651747), (2919, 6894105), (4865, 4136463), (6255, 3217249), (8757, 2298035), (14595, 1378821), (43785, 459607)]