20090560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8969}}^1$

素因数の和:8993

約数の個数: 56

約数和(自身を含む): 54681120

約数和(自身を除く): 34590560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8969, 17938, 35876, 44845, 62783, 71752, 89690, 125566, 143504, 179380, 251132, 287008, 313915, 358760, 502264, 574016, 627830, 717520, 1004528, 1255660, 1435040, 2009056, 2511320, 2870080, 4018112, 5022640, 10045280, 20090560]

約数ペア:

[(1, 20090560), (2, 10045280), (4, 5022640), (5, 4018112), (7, 2870080), (8, 2511320), (10, 2009056), (14, 1435040), (16, 1255660), (20, 1004528), (28, 717520), (32, 627830), (35, 574016), (40, 502264), (56, 358760), (64, 313915), (70, 287008), (80, 251132), (112, 179380), (140, 143504), (160, 125566), (224, 89690), (280, 71752), (320, 62783), (448, 44845), (560, 35876), (1120, 17938), (2240, 8969)]