20552575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 27734832

約数和(自身を除く): 7182257

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1307, 3145, 6535, 15725, 22219, 32675, 48359, 111095, 241795, 555475, 822103, 1208975, 4110515, 20552575]

約数ペア:

[(1, 20552575), (5, 4110515), (17, 1208975), (25, 822103), (37, 555475), (85, 241795), (185, 111095), (425, 48359), (629, 32675), (925, 22219), (1307, 15725), (3145, 6535)]