20739492

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6473}}^1$

素因数の和:6572

約数の個数: 36

約数和(自身を含む): 53022060

約数和(自身を除く): 32282568

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6473, 12946, 19419, 25892, 38838, 58257, 77676, 116514, 233028, 576097, 1152194, 1728291, 2304388, 3456582, 5184873, 6913164, 10369746, 20739492]

約数ペア:

[(1, 20739492), (2, 10369746), (3, 6913164), (4, 5184873), (6, 3456582), (9, 2304388), (12, 1728291), (18, 1152194), (36, 576097), (89, 233028), (178, 116514), (267, 77676), (356, 58257), (534, 38838), (801, 25892), (1068, 19419), (1602, 12946), (3204, 6473)]