20319984

素因数分解:

$2^4\times 3^4\times {\mathrm{15679}}^1$

素因数の和:15699

約数の個数: 50

約数和(自身を含む): 58815680

約数和(自身を除く): 38495696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15679, 31358, 47037, 62716, 94074, 125432, 141111, 188148, 250864, 282222, 376296, 423333, 564444, 752592, 846666, 1128888, 1269999, 1693332, 2257776, 2539998, 3386664, 5079996, 6773328, 10159992, 20319984]

約数ペア:

[(1, 20319984), (2, 10159992), (3, 6773328), (4, 5079996), (6, 3386664), (8, 2539998), (9, 2257776), (12, 1693332), (16, 1269999), (18, 1128888), (24, 846666), (27, 752592), (36, 564444), (48, 423333), (54, 376296), (72, 282222), (81, 250864), (108, 188148), (144, 141111), (162, 125432), (216, 94074), (324, 62716), (432, 47037), (648, 31358), (1296, 15679)]