20090426855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{9829}}^1$

素因数の和:10163

約数の個数: 32

約数和(自身を含む): 25861550400

約数和(自身を除く): 5771123545

約数列:

[1, 5, 17, 85, 139, 173, 695, 865, 2363, 2941, 9829, 11815, 14705, 24047, 49145, 120235, 167093, 408799, 835465, 1366231, 1700417, 2043995, 6831155, 8502085, 23225927, 28907089, 116129635, 144535445, 236357963, 1181789815, 4018085371, 20090426855]

約数ペア:

[(1, 20090426855), (5, 4018085371), (17, 1181789815), (85, 236357963), (139, 144535445), (173, 116129635), (695, 28907089), (865, 23225927), (2363, 8502085), (2941, 6831155), (9829, 2043995), (11815, 1700417), (14705, 1366231), (24047, 835465), (49145, 408799), (120235, 167093)]