20173888640

素因数分解:

$2^7\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{21997}}^1$

素因数の和:23449

約数の個数: 64

約数和(自身を含む): 48264051960

約数和(自身を除く): 28090163320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1433, 2866, 5732, 7165, 11464, 14330, 21997, 22928, 28660, 43994, 45856, 57320, 87988, 91712, 109985, 114640, 175976, 183424, 219970, 229280, 351952, 439940, 458560, 703904, 879880, 917120, 1407808, 1759760, 2815616, 3519520, 7039040, 14078080, 31521701, 63043402, 126086804, 157608505, 252173608, 315217010, 504347216, 630434020, 1008694432, 1260868040, 2017388864, 2521736080, 4034777728, 5043472160, 10086944320, 20173888640]

約数ペア:

[(1, 20173888640), (2, 10086944320), (4, 5043472160), (5, 4034777728), (8, 2521736080), (10, 2017388864), (16, 1260868040), (20, 1008694432), (32, 630434020), (40, 504347216), (64, 315217010), (80, 252173608), (128, 157608505), (160, 126086804), (320, 63043402), (640, 31521701), (1433, 14078080), (2866, 7039040), (5732, 3519520), (7165, 2815616), (11464, 1759760), (14330, 1407808), (21997, 917120), (22928, 879880), (28660, 703904), (43994, 458560), (45856, 439940), (57320, 351952), (87988, 229280), (91712, 219970), (109985, 183424), (114640, 175976)]