20803384

素因数分解:

$2^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1381}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 44776800

約数和(自身を除く): 23973416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 269, 538, 1076, 1381, 1883, 2152, 2762, 3766, 5524, 7532, 9667, 11048, 15064, 19334, 38668, 77336, 371489, 742978, 1485956, 2600423, 2971912, 5200846, 10401692, 20803384]

約数ペア:

[(1, 20803384), (2, 10401692), (4, 5200846), (7, 2971912), (8, 2600423), (14, 1485956), (28, 742978), (56, 371489), (269, 77336), (538, 38668), (1076, 19334), (1381, 15064), (1883, 11048), (2152, 9667), (2762, 7532), (3766, 5524)]