20867686

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22247}}^1$

素因数の和:22323

約数の個数: 16

約数和(自身を含む): 36308736

約数和(自身を除く): 15441050

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22247, 44494, 155729, 311458, 1490549, 2981098, 10433843, 20867686]

約数ペア:

[(1, 20867686), (2, 10433843), (7, 2981098), (14, 1490549), (67, 311458), (134, 155729), (469, 44494), (938, 22247)]