20388570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12823}}^1$

素因数の和:12886

約数の個数: 32

約数和(自身を含む): 49859712

約数和(自身を除く): 29471142

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 12823, 25646, 38469, 64115, 76938, 128230, 192345, 384690, 679619, 1359238, 2038857, 3398095, 4077714, 6796190, 10194285, 20388570]

約数ペア:

[(1, 20388570), (2, 10194285), (3, 6796190), (5, 4077714), (6, 3398095), (10, 2038857), (15, 1359238), (30, 679619), (53, 384690), (106, 192345), (159, 128230), (265, 76938), (318, 64115), (530, 38469), (795, 25646), (1590, 12823)]