20319824

素因数分解:

$2^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{433}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 45205440

約数和(自身を除く): 24885616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 419, 433, 838, 866, 1676, 1732, 2933, 3031, 3352, 3464, 5866, 6062, 6704, 6928, 11732, 12124, 23464, 24248, 46928, 48496, 181427, 362854, 725708, 1269989, 1451416, 2539978, 2902832, 5079956, 10159912, 20319824]

約数ペア:

[(1, 20319824), (2, 10159912), (4, 5079956), (7, 2902832), (8, 2539978), (14, 1451416), (16, 1269989), (28, 725708), (56, 362854), (112, 181427), (419, 48496), (433, 46928), (838, 24248), (866, 23464), (1676, 12124), (1732, 11732), (2933, 6928), (3031, 6704), (3352, 6062), (3464, 5866)]