20041791

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13923777

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1637, 1749, 4081, 4911, 11459, 12243, 18007, 34377, 54021, 86761, 126049, 260283, 378147, 607327, 954371, 1821981, 2863113, 6680597, 20041791]

約数ペア:

[(1, 20041791), (3, 6680597), (7, 2863113), (11, 1821981), (21, 954371), (33, 607327), (53, 378147), (77, 260283), (159, 126049), (231, 86761), (371, 54021), (583, 34377), (1113, 18007), (1637, 12243), (1749, 11459), (4081, 4911)]