20179520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3355

約数の個数: 56

約数和(自身を含む): 50596800

約数和(自身を除く): 30417280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3319, 6080, 6638, 13276, 16595, 26552, 33190, 53104, 63061, 66380, 106208, 126122, 132760, 212416, 252244, 265520, 315305, 504488, 531040, 630610, 1008976, 1062080, 1261220, 2017952, 2522440, 4035904, 5044880, 10089760, 20179520]

約数ペア:

[(1, 20179520), (2, 10089760), (4, 5044880), (5, 4035904), (8, 2522440), (10, 2017952), (16, 1261220), (19, 1062080), (20, 1008976), (32, 630610), (38, 531040), (40, 504488), (64, 315305), (76, 265520), (80, 252244), (95, 212416), (152, 132760), (160, 126122), (190, 106208), (304, 66380), (320, 63061), (380, 53104), (608, 33190), (760, 26552), (1216, 16595), (1520, 13276), (3040, 6638), (3319, 6080)]