20216640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21059}}^1$

素因数の和:21079

約数の個数: 56

約数和(自身を含む): 64190880

約数和(自身を除く): 43974240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21059, 42118, 63177, 84236, 105295, 126354, 168472, 210590, 252708, 315885, 336944, 421180, 505416, 631770, 673888, 842360, 1010832, 1263540, 1347776, 1684720, 2021664, 2527080, 3369440, 4043328, 5054160, 6738880, 10108320, 20216640]

約数ペア:

[(1, 20216640), (2, 10108320), (3, 6738880), (4, 5054160), (5, 4043328), (6, 3369440), (8, 2527080), (10, 2021664), (12, 1684720), (15, 1347776), (16, 1263540), (20, 1010832), (24, 842360), (30, 673888), (32, 631770), (40, 505416), (48, 421180), (60, 336944), (64, 315885), (80, 252708), (96, 210590), (120, 168472), (160, 126354), (192, 105295), (240, 84236), (320, 63177), (480, 42118), (960, 21059)]