20227455

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 15930945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 557, 807, 1345, 1671, 2421, 2785, 4035, 5013, 7263, 8355, 12105, 15039, 25065, 36315, 75195, 149833, 449499, 749165, 1348497, 2247495, 4045491, 6742485, 20227455]

約数ペア:

[(1, 20227455), (3, 6742485), (5, 4045491), (9, 2247495), (15, 1348497), (27, 749165), (45, 449499), (135, 149833), (269, 75195), (557, 36315), (807, 25065), (1345, 15039), (1671, 12105), (2421, 8355), (2785, 7263), (4035, 5013)]