20173684280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12301027}}^1$

素因数の和:12301079

約数の個数: 32

約数和(自身を含む): 46497885840

約数和(自身を除く): 26324201560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12301027, 24602054, 49204108, 61505135, 98408216, 123010270, 246020540, 492041080, 504342107, 1008684214, 2017368428, 2521710535, 4034736856, 5043421070, 10086842140, 20173684280]

約数ペア:

[(1, 20173684280), (2, 10086842140), (4, 5043421070), (5, 4034736856), (8, 2521710535), (10, 2017368428), (20, 1008684214), (40, 504342107), (41, 492041080), (82, 246020540), (164, 123010270), (205, 98408216), (328, 61505135), (410, 49204108), (820, 24602054), (1640, 12301027)]