20218480504

素因数分解:

$2^3\times {\mathrm{2521}}^1\times {\mathrm{1002503}}^1$

素因数の和:1005030

約数の個数: 16

約数和(自身を含む): 37924726320

約数和(自身を除く): 17706245816

約数列:

[1, 2, 4, 8, 2521, 5042, 10084, 20168, 1002503, 2005006, 4010012, 8020024, 2527310063, 5054620126, 10109240252, 20218480504]

約数ペア:

[(1, 20218480504), (2, 10109240252), (4, 5054620126), (8, 2527310063), (2521, 8020024), (5042, 4010012), (10084, 2005006), (20168, 1002503)]