168632020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{60659}}^1$

素因数の和:60807

約数の個数: 24

約数和(自身を含む): 356680800

約数和(自身を除く): 188048780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 60659, 121318, 242636, 303295, 606590, 1213180, 8431601, 16863202, 33726404, 42158005, 84316010, 168632020]

約数ペア:

[(1, 168632020), (2, 84316010), (4, 42158005), (5, 33726404), (10, 16863202), (20, 8431601), (139, 1213180), (278, 606590), (556, 303295), (695, 242636), (1390, 121318), (2780, 60659)]