20204530

素因数分解:

$2^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1553}}^1$

素因数の和:2861

約数の個数: 16

約数和(自身を含む): 36419544

約数和(自身を除く): 16215014

約数列:

[1, 2, 5, 10, 1301, 1553, 2602, 3106, 6505, 7765, 13010, 15530, 2020453, 4040906, 10102265, 20204530]

約数ペア:

[(1, 20204530), (2, 10102265), (5, 4040906), (10, 2020453), (1301, 15530), (1553, 13010), (2602, 7765), (3106, 6505)]