20262460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23561}}^1$

素因数の和:23613

約数の個数: 24

約数和(自身を含む): 43542576

約数和(自身を除く): 23280116

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23561, 47122, 94244, 117805, 235610, 471220, 1013123, 2026246, 4052492, 5065615, 10131230, 20262460]

約数ペア:

[(1, 20262460), (2, 10131230), (4, 5065615), (5, 4052492), (10, 2026246), (20, 1013123), (43, 471220), (86, 235610), (172, 117805), (215, 94244), (430, 47122), (860, 23561)]