20795520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10831}}^1$

素因数の和:10853

約数の個数: 64

約数和(自身を含む): 66291840

約数和(自身を除く): 45496320

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10831, 21662, 32493, 43324, 54155, 64986, 86648, 108310, 129972, 162465, 173296, 216620, 259944, 324930, 346592, 433240, 519888, 649860, 693184, 866480, 1039776, 1299720, 1386368, 1732960, 2079552, 2599440, 3465920, 4159104, 5198880, 6931840, 10397760, 20795520]

約数ペア:

[(1, 20795520), (2, 10397760), (3, 6931840), (4, 5198880), (5, 4159104), (6, 3465920), (8, 2599440), (10, 2079552), (12, 1732960), (15, 1386368), (16, 1299720), (20, 1039776), (24, 866480), (30, 693184), (32, 649860), (40, 519888), (48, 433240), (60, 346592), (64, 324930), (80, 259944), (96, 216620), (120, 173296), (128, 162465), (160, 129972), (192, 108310), (240, 86648), (320, 64986), (384, 54155), (480, 43324), (640, 32493), (960, 21662), (1920, 10831)]