20218560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21061}}^1$

素因数の和:21081

約数の個数: 56

約数和(自身を含む): 64196976

約数和(自身を除く): 43978416

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, 21061, 42122, 63183, 84244, 105305, 126366, 168488, 210610, 252732, 315915, 336976, 421220, 505464, 631830, 673952, 842440, 1010928, 1263660, 1347904, 1684880, 2021856, 2527320, 3369760, 4043712, 5054640, 6739520, 10109280, 20218560]

約数ペア:

[(1, 20218560), (2, 10109280), (3, 6739520), (4, 5054640), (5, 4043712), (6, 3369760), (8, 2527320), (10, 2021856), (12, 1684880), (15, 1347904), (16, 1263660), (20, 1010928), (24, 842440), (30, 673952), (32, 631830), (40, 505464), (48, 421220), (60, 336976), (64, 315915), (80, 252732), (96, 210610), (120, 168488), (160, 126366), (192, 105305), (240, 84244), (320, 63183), (480, 42122), (960, 21061)]