20646612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81931}}^1$

素因数の和:81948

約数の個数: 36

約数和(自身を含む): 59646496

約数和(自身を除く): 38999884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81931, 163862, 245793, 327724, 491586, 573517, 737379, 983172, 1147034, 1474758, 1720551, 2294068, 2949516, 3441102, 5161653, 6882204, 10323306, 20646612]

約数ペア:

[(1, 20646612), (2, 10323306), (3, 6882204), (4, 5161653), (6, 3441102), (7, 2949516), (9, 2294068), (12, 1720551), (14, 1474758), (18, 1147034), (21, 983172), (28, 737379), (36, 573517), (42, 491586), (63, 327724), (84, 245793), (126, 163862), (252, 81931)]