20340190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3329}}^1$

素因数の和:3396

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 19939490

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3329, 6110, 6658, 16645, 33290, 43277, 86554, 156463, 216385, 312926, 432770, 782315, 1564630, 2034019, 4068038, 10170095, 20340190]

約数ペア:

[(1, 20340190), (2, 10170095), (5, 4068038), (10, 2034019), (13, 1564630), (26, 782315), (47, 432770), (65, 312926), (94, 216385), (130, 156463), (235, 86554), (470, 43277), (611, 33290), (1222, 16645), (3055, 6658), (3329, 6110)]