20716368

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10037}}^1$

素因数の和:10091

約数の個数: 40

約数和(自身を含む): 54767328

約数和(自身を除く): 34050960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10037, 20074, 30111, 40148, 60222, 80296, 120444, 160592, 240888, 431591, 481776, 863182, 1294773, 1726364, 2589546, 3452728, 5179092, 6905456, 10358184, 20716368]

約数ペア:

[(1, 20716368), (2, 10358184), (3, 6905456), (4, 5179092), (6, 3452728), (8, 2589546), (12, 1726364), (16, 1294773), (24, 863182), (43, 481776), (48, 431591), (86, 240888), (129, 160592), (172, 120444), (258, 80296), (344, 60222), (516, 40148), (688, 30111), (1032, 20074), (2064, 10037)]