20757120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:610

約数の個数: 128

約数和(自身を含む): 69768000

約数和(自身を除く): 49010880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 569, 570, 608, 640, 760, 912, 960, 1138, 1140, 1216, 1520, 1707, 1824, 1920, 2276, 2280, 2432, 2845, 3040, 3414, 3648, 4552, 4560, 5690, 6080, 6828, 7296, 8535, 9104, 9120, 10811, 11380, 12160, 13656, 17070, 18208, 18240, 21622, 22760, 27312, 32433, 34140, 36416, 36480, 43244, 45520, 54055, 54624, 64866, 68280, 72832, 86488, 91040, 108110, 109248, 129732, 136560, 162165, 172976, 182080, 216220, 218496, 259464, 273120, 324330, 345952, 364160, 432440, 518928, 546240, 648660, 691904, 864880, 1037856, 1092480, 1297320, 1383808, 1729760, 2075712, 2594640, 3459520, 4151424, 5189280, 6919040, 10378560, 20757120]

約数ペア:

[(1, 20757120), (2, 10378560), (3, 6919040), (4, 5189280), (5, 4151424), (6, 3459520), (8, 2594640), (10, 2075712), (12, 1729760), (15, 1383808), (16, 1297320), (19, 1092480), (20, 1037856), (24, 864880), (30, 691904), (32, 648660), (38, 546240), (40, 518928), (48, 432440), (57, 364160), (60, 345952), (64, 324330), (76, 273120), (80, 259464), (95, 218496), (96, 216220), (114, 182080), (120, 172976), (128, 162165), (152, 136560), (160, 129732), (190, 109248), (192, 108110), (228, 91040), (240, 86488), (285, 72832), (304, 68280), (320, 64866), (380, 54624), (384, 54055), (456, 45520), (480, 43244), (569, 36480), (570, 36416), (608, 34140), (640, 32433), (760, 27312), (912, 22760), (960, 21622), (1138, 18240), (1140, 18208), (1216, 17070), (1520, 13656), (1707, 12160), (1824, 11380), (1920, 10811), (2276, 9120), (2280, 9104), (2432, 8535), (2845, 7296), (3040, 6828), (3414, 6080), (3648, 5690), (4552, 4560)]