8429820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20071}}^1$

素因数の和:20090

約数の個数: 48

約数和(自身を含む): 26976768

約数和(自身を除く): 18546948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20071, 40142, 60213, 80284, 100355, 120426, 140497, 200710, 240852, 280994, 301065, 401420, 421491, 561988, 602130, 702485, 842982, 1204260, 1404970, 1685964, 2107455, 2809940, 4214910, 8429820]

約数ペア:

[(1, 8429820), (2, 4214910), (3, 2809940), (4, 2107455), (5, 1685964), (6, 1404970), (7, 1204260), (10, 842982), (12, 702485), (14, 602130), (15, 561988), (20, 421491), (21, 401420), (28, 301065), (30, 280994), (35, 240852), (42, 200710), (60, 140497), (70, 120426), (84, 100355), (105, 80284), (140, 60213), (210, 40142), (420, 20071)]