20903669290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2148373}}^1$

素因数の和:2148526

約数の個数: 32

約数和(自身を含む): 43311219840

約数和(自身を除く): 22407550550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 2148373, 4296746, 10741865, 15038611, 21483730, 30077222, 75193055, 150386110, 298623847, 597247694, 1493119235, 2090366929, 2986238470, 4180733858, 10451834645, 20903669290]

約数ペア:

[(1, 20903669290), (2, 10451834645), (5, 4180733858), (7, 2986238470), (10, 2090366929), (14, 1493119235), (35, 597247694), (70, 298623847), (139, 150386110), (278, 75193055), (695, 30077222), (973, 21483730), (1390, 15038611), (1946, 10741865), (4865, 4296746), (9730, 2148373)]