20819616

素因数分解:

$2^5\times 3^1\times {\mathrm{137}}^1\times {\mathrm{1583}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 55085184

約数和(自身を除く): 34265568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 137, 274, 411, 548, 822, 1096, 1583, 1644, 2192, 3166, 3288, 4384, 4749, 6332, 6576, 9498, 12664, 13152, 18996, 25328, 37992, 50656, 75984, 151968, 216871, 433742, 650613, 867484, 1301226, 1734968, 2602452, 3469936, 5204904, 6939872, 10409808, 20819616]

約数ペア:

[(1, 20819616), (2, 10409808), (3, 6939872), (4, 5204904), (6, 3469936), (8, 2602452), (12, 1734968), (16, 1301226), (24, 867484), (32, 650613), (48, 433742), (96, 216871), (137, 151968), (274, 75984), (411, 50656), (548, 37992), (822, 25328), (1096, 18996), (1583, 13152), (1644, 12664), (2192, 9498), (3166, 6576), (3288, 6332), (4384, 4749)]