20265900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1631

約数の個数: 72

約数和(自身を含む): 60037824

約数和(自身を除く): 39771924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1571, 2150, 2580, 3142, 3225, 4300, 4713, 6284, 6450, 7855, 9426, 12900, 15710, 18852, 23565, 31420, 39275, 47130, 67553, 78550, 94260, 117825, 135106, 157100, 202659, 235650, 270212, 337765, 405318, 471300, 675530, 810636, 1013295, 1351060, 1688825, 2026590, 3377650, 4053180, 5066475, 6755300, 10132950, 20265900]

約数ペア:

[(1, 20265900), (2, 10132950), (3, 6755300), (4, 5066475), (5, 4053180), (6, 3377650), (10, 2026590), (12, 1688825), (15, 1351060), (20, 1013295), (25, 810636), (30, 675530), (43, 471300), (50, 405318), (60, 337765), (75, 270212), (86, 235650), (100, 202659), (129, 157100), (150, 135106), (172, 117825), (215, 94260), (258, 78550), (300, 67553), (430, 47130), (516, 39275), (645, 31420), (860, 23565), (1075, 18852), (1290, 15710), (1571, 12900), (2150, 9426), (2580, 7855), (3142, 6450), (3225, 6284), (4300, 4713)]