20749428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82339}}^1$

素因数の和:82356

約数の個数: 36

約数和(自身を含む): 59943520

約数和(自身を除く): 39194092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82339, 164678, 247017, 329356, 494034, 576373, 741051, 988068, 1152746, 1482102, 1729119, 2305492, 2964204, 3458238, 5187357, 6916476, 10374714, 20749428]

約数ペア:

[(1, 20749428), (2, 10374714), (3, 6916476), (4, 5187357), (6, 3458238), (7, 2964204), (9, 2305492), (12, 1729119), (14, 1482102), (18, 1152746), (21, 988068), (28, 741051), (36, 576373), (42, 494034), (63, 329356), (84, 247017), (126, 164678), (252, 82339)]