19952640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{433}}^1$

素因数の和:464

約数の個数: 132

約数和(自身を含む): 69295044

約数和(自身を除く): 49342404

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 433, 480, 512, 576, 640, 720, 768, 866, 960, 1024, 1152, 1280, 1299, 1440, 1536, 1732, 1920, 2165, 2304, 2560, 2598, 2880, 3072, 3464, 3840, 3897, 4330, 4608, 5120, 5196, 5760, 6495, 6928, 7680, 7794, 8660, 9216, 10392, 11520, 12990, 13856, 15360, 15588, 17320, 19485, 20784, 23040, 25980, 27712, 31176, 34640, 38970, 41568, 46080, 51960, 55424, 62352, 69280, 77940, 83136, 103920, 110848, 124704, 138560, 155880, 166272, 207840, 221696, 249408, 277120, 311760, 332544, 415680, 443392, 498816, 554240, 623520, 665088, 831360, 997632, 1108480, 1247040, 1330176, 1662720, 1995264, 2216960, 2494080, 3325440, 3990528, 4988160, 6650880, 9976320, 19952640]

約数ペア:

[(1, 19952640), (2, 9976320), (3, 6650880), (4, 4988160), (5, 3990528), (6, 3325440), (8, 2494080), (9, 2216960), (10, 1995264), (12, 1662720), (15, 1330176), (16, 1247040), (18, 1108480), (20, 997632), (24, 831360), (30, 665088), (32, 623520), (36, 554240), (40, 498816), (45, 443392), (48, 415680), (60, 332544), (64, 311760), (72, 277120), (80, 249408), (90, 221696), (96, 207840), (120, 166272), (128, 155880), (144, 138560), (160, 124704), (180, 110848), (192, 103920), (240, 83136), (256, 77940), (288, 69280), (320, 62352), (360, 55424), (384, 51960), (433, 46080), (480, 41568), (512, 38970), (576, 34640), (640, 31176), (720, 27712), (768, 25980), (866, 23040), (960, 20784), (1024, 19485), (1152, 17320), (1280, 15588), (1299, 15360), (1440, 13856), (1536, 12990), (1732, 11520), (1920, 10392), (2165, 9216), (2304, 8660), (2560, 7794), (2598, 7680), (2880, 6928), (3072, 6495), (3464, 5760), (3840, 5196), (3897, 5120), (4330, 4608)]