20225865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3313}}^1$

素因数の和:3369

約数の個数: 32

約数和(自身を含む): 36268416

約数和(自身を除く): 16042551

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3313, 6105, 9939, 16565, 36443, 49695, 109329, 122581, 182215, 367743, 546645, 612905, 1348391, 1838715, 4045173, 6741955, 20225865]

約数ペア:

[(1, 20225865), (3, 6741955), (5, 4045173), (11, 1838715), (15, 1348391), (33, 612905), (37, 546645), (55, 367743), (111, 182215), (165, 122581), (185, 109329), (407, 49695), (555, 36443), (1221, 16565), (2035, 9939), (3313, 6105)]