20199843440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36071149}}^1$

素因数の和:36071169

約数の個数: 40

約数和(自身を含む): 53673871200

約数和(自身を除く): 33474027760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36071149, 72142298, 144284596, 180355745, 252498043, 288569192, 360711490, 504996086, 577138384, 721422980, 1009992172, 1262490215, 1442845960, 2019984344, 2524980430, 2885691920, 4039968688, 5049960860, 10099921720, 20199843440]

約数ペア:

[(1, 20199843440), (2, 10099921720), (4, 5049960860), (5, 4039968688), (7, 2885691920), (8, 2524980430), (10, 2019984344), (14, 1442845960), (16, 1262490215), (20, 1009992172), (28, 721422980), (35, 577138384), (40, 504996086), (56, 360711490), (70, 288569192), (80, 252498043), (112, 180355745), (140, 144284596), (280, 72142298), (560, 36071149)]