20563680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42841}}^1$

素因数の和:42859

約数の個数: 48

約数和(自身を含む): 64777104

約数和(自身を除く): 44213424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42841, 85682, 128523, 171364, 214205, 257046, 342728, 428410, 514092, 642615, 685456, 856820, 1028184, 1285230, 1370912, 1713640, 2056368, 2570460, 3427280, 4112736, 5140920, 6854560, 10281840, 20563680]

約数ペア:

[(1, 20563680), (2, 10281840), (3, 6854560), (4, 5140920), (5, 4112736), (6, 3427280), (8, 2570460), (10, 2056368), (12, 1713640), (15, 1370912), (16, 1285230), (20, 1028184), (24, 856820), (30, 685456), (32, 642615), (40, 514092), (48, 428410), (60, 342728), (80, 257046), (96, 214205), (120, 171364), (160, 128523), (240, 85682), (480, 42841)]