20922560

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:601

約数の個数: 56

約数和(自身を含む): 50267616

約数和(自身を除く): 29345056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 433, 604, 755, 866, 1208, 1510, 1732, 2165, 2416, 3020, 3464, 4330, 4832, 6040, 6928, 8660, 9664, 12080, 13856, 17320, 24160, 27712, 34640, 48320, 65383, 69280, 130766, 138560, 261532, 326915, 523064, 653830, 1046128, 1307660, 2092256, 2615320, 4184512, 5230640, 10461280, 20922560]

約数ペア:

[(1, 20922560), (2, 10461280), (4, 5230640), (5, 4184512), (8, 2615320), (10, 2092256), (16, 1307660), (20, 1046128), (32, 653830), (40, 523064), (64, 326915), (80, 261532), (151, 138560), (160, 130766), (302, 69280), (320, 65383), (433, 48320), (604, 34640), (755, 27712), (866, 24160), (1208, 17320), (1510, 13856), (1732, 12080), (2165, 9664), (2416, 8660), (3020, 6928), (3464, 6040), (4330, 4832)]