16856420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6337}}^1$

素因数の和:6372

約数の個数: 48

約数和(自身を含む): 42591360

約数和(自身を除く): 25734940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6337, 12674, 25348, 31685, 44359, 63370, 88718, 120403, 126740, 177436, 221795, 240806, 443590, 481612, 602015, 842821, 887180, 1204030, 1685642, 2408060, 3371284, 4214105, 8428210, 16856420]

約数ペア:

[(1, 16856420), (2, 8428210), (4, 4214105), (5, 3371284), (7, 2408060), (10, 1685642), (14, 1204030), (19, 887180), (20, 842821), (28, 602015), (35, 481612), (38, 443590), (70, 240806), (76, 221795), (95, 177436), (133, 126740), (140, 120403), (190, 88718), (266, 63370), (380, 44359), (532, 31685), (665, 25348), (1330, 12674), (2660, 6337)]