19917120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20747}}^1$

素因数の和:20767

約数の個数: 56

約数和(自身を含む): 63239904

約数和(自身を除く): 43322784

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, 20747, 41494, 62241, 82988, 103735, 124482, 165976, 207470, 248964, 311205, 331952, 414940, 497928, 622410, 663904, 829880, 995856, 1244820, 1327808, 1659760, 1991712, 2489640, 3319520, 3983424, 4979280, 6639040, 9958560, 19917120]

約数ペア:

[(1, 19917120), (2, 9958560), (3, 6639040), (4, 4979280), (5, 3983424), (6, 3319520), (8, 2489640), (10, 1991712), (12, 1659760), (15, 1327808), (16, 1244820), (20, 995856), (24, 829880), (30, 663904), (32, 622410), (40, 497928), (48, 414940), (60, 331952), (64, 311205), (80, 248964), (96, 207470), (120, 165976), (160, 124482), (192, 103735), (240, 82988), (320, 62241), (480, 41494), (960, 20747)]