20317696

素因数分解:

$2^9\times 7^1\times {\mathrm{5669}}^1$

素因数の和:5694

約数の個数: 40

約数和(自身を含む): 46403280

約数和(自身を除く): 26085584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5669, 11338, 22676, 39683, 45352, 79366, 90704, 158732, 181408, 317464, 362816, 634928, 725632, 1269856, 1451264, 2539712, 2902528, 5079424, 10158848, 20317696]

約数ペア:

[(1, 20317696), (2, 10158848), (4, 5079424), (7, 2902528), (8, 2539712), (14, 1451264), (16, 1269856), (28, 725632), (32, 634928), (56, 362816), (64, 317464), (112, 181408), (128, 158732), (224, 90704), (256, 79366), (448, 45352), (512, 39683), (896, 22676), (1792, 11338), (3584, 5669)]