20124321

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14303}}^1$

素因数の和:14380

約数の個数: 16

約数和(自身を含む): 31125504

約数和(自身を除く): 11001183

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14303, 42909, 100121, 300363, 958301, 2874903, 6708107, 20124321]

約数ペア:

[(1, 20124321), (3, 6708107), (7, 2874903), (21, 958301), (67, 300363), (201, 100121), (469, 42909), (1407, 14303)]