20315648

素因数分解:

$2^9\times {\mathrm{39679}}^1$

素因数の和:39697

約数の個数: 20

約数和(自身を含む): 40592640

約数和(自身を除く): 20276992

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39679, 79358, 158716, 317432, 634864, 1269728, 2539456, 5078912, 10157824, 20315648]

約数ペア:

[(1, 20315648), (2, 10157824), (4, 5078912), (8, 2539456), (16, 1269728), (32, 634864), (64, 317432), (128, 158716), (256, 79358), (512, 39679)]