20300560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36251}}^1$

素因数の和:36271

約数の個数: 40

約数和(自身を含む): 53942976

約数和(自身を除く): 33642416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36251, 72502, 145004, 181255, 253757, 290008, 362510, 507514, 580016, 725020, 1015028, 1268785, 1450040, 2030056, 2537570, 2900080, 4060112, 5075140, 10150280, 20300560]

約数ペア:

[(1, 20300560), (2, 10150280), (4, 5075140), (5, 4060112), (7, 2900080), (8, 2537570), (10, 2030056), (14, 1450040), (16, 1268785), (20, 1015028), (28, 725020), (35, 580016), (40, 507514), (56, 362510), (70, 290008), (80, 253757), (112, 181255), (140, 145004), (280, 72502), (560, 36251)]