20120649488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1248799}}^1$

素因数の和:1248879

約数の個数: 40

約数和(自身を含む): 41809824000

約数和(自身を除く): 21689174512

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 2014, 4028, 8056, 16112, 1248799, 2497598, 4995196, 9990392, 19980784, 23727181, 47454362, 66186347, 94908724, 132372694, 189817448, 264745388, 379634896, 529490776, 1058981552, 1257540593, 2515081186, 5030162372, 10060324744, 20120649488]

約数ペア:

[(1, 20120649488), (2, 10060324744), (4, 5030162372), (8, 2515081186), (16, 1257540593), (19, 1058981552), (38, 529490776), (53, 379634896), (76, 264745388), (106, 189817448), (152, 132372694), (212, 94908724), (304, 66186347), (424, 47454362), (848, 23727181), (1007, 19980784), (2014, 9990392), (4028, 4995196), (8056, 2497598), (16112, 1248799)]