20391714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{161839}}^1$

素因数の和:161854

約数の個数: 24

約数和(自身を含む): 50494080

約数和(自身を除く): 30102366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 161839, 323678, 485517, 971034, 1132873, 1456551, 2265746, 2913102, 3398619, 6797238, 10195857, 20391714]

約数ペア:

[(1, 20391714), (2, 10195857), (3, 6797238), (6, 3398619), (7, 2913102), (9, 2265746), (14, 1456551), (18, 1132873), (21, 971034), (42, 485517), (63, 323678), (126, 161839)]