20876060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 46599840

約数和(自身を除く): 25723780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 401, 548, 685, 802, 1370, 1604, 2005, 2603, 2740, 4010, 5206, 7619, 8020, 10412, 13015, 15238, 26030, 30476, 38095, 52060, 54937, 76190, 109874, 152380, 219748, 274685, 549370, 1043803, 1098740, 2087606, 4175212, 5219015, 10438030, 20876060]

約数ペア:

[(1, 20876060), (2, 10438030), (4, 5219015), (5, 4175212), (10, 2087606), (19, 1098740), (20, 1043803), (38, 549370), (76, 274685), (95, 219748), (137, 152380), (190, 109874), (274, 76190), (380, 54937), (401, 52060), (548, 38095), (685, 30476), (802, 26030), (1370, 15238), (1604, 13015), (2005, 10412), (2603, 8020), (2740, 7619), (4010, 5206)]