20181267665

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{1229}}^1\times {\mathrm{19433}}^1$

素因数の和:20693

約数の個数: 24

約数和(自身を含む): 26246394360

約数和(自身を除く): 6065126695

約数列:

[1, 5, 13, 65, 169, 845, 1229, 6145, 15977, 19433, 79885, 97165, 207701, 252629, 1038505, 1263145, 3284177, 16420885, 23883157, 119415785, 310481041, 1552405205, 4036253533, 20181267665]

約数ペア:

[(1, 20181267665), (5, 4036253533), (13, 1552405205), (65, 310481041), (169, 119415785), (845, 23883157), (1229, 16420885), (6145, 3284177), (15977, 1263145), (19433, 1038505), (79885, 252629), (97165, 207701)]