20408964

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89513}}^1$

素因数の和:89539

約数の個数: 24

約数和(自身を含む): 50127840

約数和(自身を除く): 29718876

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 89513, 179026, 268539, 358052, 537078, 1074156, 1700747, 3401494, 5102241, 6802988, 10204482, 20408964]

約数ペア:

[(1, 20408964), (2, 10204482), (3, 6802988), (4, 5102241), (6, 3401494), (12, 1700747), (19, 1074156), (38, 537078), (57, 358052), (76, 268539), (114, 179026), (228, 89513)]