20451236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{719}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 38666880

約数和(自身を除く): 18215644

約数列:

[1, 2, 4, 13, 26, 52, 547, 719, 1094, 1438, 2188, 2876, 7111, 9347, 14222, 18694, 28444, 37388, 393293, 786586, 1573172, 5112809, 10225618, 20451236]

約数ペア:

[(1, 20451236), (2, 10225618), (4, 5112809), (13, 1573172), (26, 786586), (52, 393293), (547, 37388), (719, 28444), (1094, 18694), (1438, 14222), (2188, 9347), (2876, 7111)]