20125743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 10605009

約数列:

[1, 3, 11, 33, 37, 53, 111, 159, 311, 407, 583, 933, 1221, 1749, 1961, 3421, 5883, 10263, 11507, 16483, 21571, 34521, 49449, 64713, 126577, 181313, 379731, 543939, 609871, 1829613, 6708581, 20125743]

約数ペア:

[(1, 20125743), (3, 6708581), (11, 1829613), (33, 609871), (37, 543939), (53, 379731), (111, 181313), (159, 126577), (311, 64713), (407, 49449), (583, 34521), (933, 21571), (1221, 16483), (1749, 11507), (1961, 10263), (3421, 5883)]