20091890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22079}}^1$

素因数の和:22106

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 24421390

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22079, 44158, 110395, 154553, 220790, 287027, 309106, 574054, 772765, 1435135, 1545530, 2009189, 2870270, 4018378, 10045945, 20091890]

約数ペア:

[(1, 20091890), (2, 10045945), (5, 4018378), (7, 2870270), (10, 2009189), (13, 1545530), (14, 1435135), (26, 772765), (35, 574054), (65, 309106), (70, 287027), (91, 220790), (130, 154553), (182, 110395), (455, 44158), (910, 22079)]