20274770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 17810350

約数列:

[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 463, 755, 926, 1510, 2315, 4379, 4630, 8758, 13427, 21895, 26854, 43790, 67135, 69913, 134270, 139826, 349565, 699130, 2027477, 4054954, 10137385, 20274770]

約数ペア:

[(1, 20274770), (2, 10137385), (5, 4054954), (10, 2027477), (29, 699130), (58, 349565), (145, 139826), (151, 134270), (290, 69913), (302, 67135), (463, 43790), (755, 26854), (926, 21895), (1510, 13427), (2315, 8758), (4379, 4630)]