20743600

素因数分解:

$2^4\times 5^2\times {\mathrm{51859}}^1$

素因数の和:51877

約数の個数: 30

約数和(自身を含む): 49837460

約数和(自身を除く): 29093860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51859, 103718, 207436, 259295, 414872, 518590, 829744, 1037180, 1296475, 2074360, 2592950, 4148720, 5185900, 10371800, 20743600]

約数ペア:

[(1, 20743600), (2, 10371800), (4, 5185900), (5, 4148720), (8, 2592950), (10, 2074360), (16, 1296475), (20, 1037180), (25, 829744), (40, 518590), (50, 414872), (80, 259295), (100, 207436), (200, 103718), (400, 51859)]