20002680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18521}}^1$

素因数の和:18541

約数の個数: 64

約数和(自身を含む): 66679200

約数和(自身を除く): 46676520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18521, 37042, 55563, 74084, 92605, 111126, 148168, 166689, 185210, 222252, 277815, 333378, 370420, 444504, 500067, 555630, 666756, 740840, 833445, 1000134, 1111260, 1333512, 1666890, 2000268, 2222520, 2500335, 3333780, 4000536, 5000670, 6667560, 10001340, 20002680]

約数ペア:

[(1, 20002680), (2, 10001340), (3, 6667560), (4, 5000670), (5, 4000536), (6, 3333780), (8, 2500335), (9, 2222520), (10, 2000268), (12, 1666890), (15, 1333512), (18, 1111260), (20, 1000134), (24, 833445), (27, 740840), (30, 666756), (36, 555630), (40, 500067), (45, 444504), (54, 370420), (60, 333378), (72, 277815), (90, 222252), (108, 185210), (120, 166689), (135, 148168), (180, 111126), (216, 92605), (270, 74084), (360, 55563), (540, 37042), (1080, 18521)]