20007650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30781}}^1$

素因数の和:30806

約数の個数: 24

約数和(自身を含む): 40078164

約数和(自身を除く): 20070514

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30781, 61562, 153905, 307810, 400153, 769525, 800306, 1539050, 2000765, 4001530, 10003825, 20007650]

約数ペア:

[(1, 20007650), (2, 10003825), (5, 4001530), (10, 2000765), (13, 1539050), (25, 800306), (26, 769525), (50, 400153), (65, 307810), (130, 153905), (325, 61562), (650, 30781)]