20238083120

素因数分解:

$2^4\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{135209}}^1$

素因数の和:137093

約数の個数: 40

約数和(自身を含む): 47079040320

約数和(自身を除く): 26840957200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871, 3742, 7484, 9355, 14968, 18710, 29936, 37420, 74840, 135209, 149680, 270418, 540836, 676045, 1081672, 1352090, 2163344, 2704180, 5408360, 10816720, 252976039, 505952078, 1011904156, 1264880195, 2023808312, 2529760390, 4047616624, 5059520780, 10119041560, 20238083120]

約数ペア:

[(1, 20238083120), (2, 10119041560), (4, 5059520780), (5, 4047616624), (8, 2529760390), (10, 2023808312), (16, 1264880195), (20, 1011904156), (40, 505952078), (80, 252976039), (1871, 10816720), (3742, 5408360), (7484, 2704180), (9355, 2163344), (14968, 1352090), (18710, 1081672), (29936, 676045), (37420, 540836), (74840, 270418), (135209, 149680)]